Date,Chemicals,Coal,Petrol,Vehicles
Jan-71,3.896,49.780,2.154,4.367
Feb-71,4.346,47.029,2.250,5.147
Mar-71,4.318,56.920,2.165,5.418
Apr-71,4.536,54.336,2.223,4.897
May-71,4.454,50.442,2.190,5.002
Jun-71,4.554,49.298,2.288,5.329
Jul-71,4.058,39.537,2.250,3.537
Aug-71,4.342,56.185,2.251,3.940
Sep-71,4.693,54.449,2.281,5.226
Oct-71,4.389,11.857,2.320,5.429
Nov-71,4.289,26.327,2.285,5.400
Dec-71,3.997,56.032,2.279,4.446
Jan-72,4.353,49.680,2.319,5.072
Feb-72,4.609,49.112,2.396,5.707
Mar-72,4.794,54.438,2.397,5.760
Apr-72,4.975,49.814,2.462,5.807
May-72,4.859,52.879,2.368,5.865
Jun-72,5.027,50.083,2.505,5.909
Jul-72,4.382,40.964,2.490,3.681
Aug-72,4.798,52.169,2.553,3.895
Sep-72,5.076,49.374,2.611,6.247
Oct-72,4.979,51.671,2.528,6.629
Nov-72,4.845,50.297,2.618,6.670
Dec-72,4.740,44.904,2.685,5.520
Jan-73,4.885,49.379,2.649,6.710
Feb-73,5.579,45.893,2.723,7.134
Mar-73,5.741,50.547,2.675,7.097
Apr-73,5.910,46.999,2.723,6.741
May-73,5.784,51.420,2.781,7.006
Jun-73,5.962,46.613,2.953,7.169
Jul-73,5.152,43.801,2.919,5.419
Aug-73,5.536,55.874,3.017,4.667
Sep-73,5.769,48.338,3.121,6.227
Oct-73,5.643,54.380,3.135,7.314
Nov-73,5.610,49.825,3.425,6.928
Dec-73,5.463,48.668,3.694,4.866
Jan-74,5.685,53.530,3.742,5.611
Feb-74,6.452,49.851,4.173,5.762
Mar-74,6.729,51.027,4.374,5.638
Apr-74,7.094,54.181,4.499,5.891
May-74,6.987,57.448,4.725,6.229
Jun-74,7.158,47.884,4.983,6.485
Jul-74,6.580,49.206,5.068,5.169
Aug-74,7.026,51.604,5.104,5.236
Sep-74,7.556,52.472,5.056,6.921
Oct-74,7.201,60.293,5.042,7.703
Nov-74,6.791,33.524,5.116,6.985
Dec-74,6.118,39.980,4.970,4.490
Jan-75,6.702,55.167,5.108,4.816
Feb-75,7.376,51.808,5.266,5.254
Mar-75,7.609,52.603,5.166,5.589
Apr-75,7.829,53.776,5.294,6.004
May-75,7.558,55.921,5.313,6.037
Jun-75,7.620,56.786,5.749,6.439
Jul-75,6.923,45.960,5.825,4.820
Aug-75,7.607,51.760,6.317,5.180
Sep-75,8.003,56.066,6.213,6.589
Oct-75,7.838,60.396,6.281,6.886
Nov-75,7.375,53.976,6.426,6.531
Dec-75,7.282,54.819,6.526,5.888
Jan-76,7.615,52.568,6.441,6.765
Feb-76,8.530,53.773,6.757,7.675
Mar-76,9.107,60.918,6.422,8.295
Apr-76,9.358,59.145,6.647,8.194
May-76,8.882,57.934,6.534,8.256
Jun-76,9.011,59.680,6.925,9.056
Jul-76,8.003,44.318,6.957,6.573
Aug-76,8.621,53.622,7.057,7.162
Sep-76,9.324,60.634,7.054,7.978
Oct-76,8.900,58.999,7.044,8.005
Nov-76,8.650,58.780,7.087,9.185
Dec-76,8.141,58.414,7.422,8.236
Jan-77,8.314,44.679,7.676,8.726
Feb-77,9.509,49.260,7.871,9.364
Mar-77,10.264,66.776,7.608,10.777
Apr-77,10.105,60.549,7.755,10.081
May-77,9.844,62.499,7.757,10.112
Jun-77,9.930,63.095,7.964,11.035
Jul-77,8.669,49.584,8.087,8.554
Aug-77,9.465,57.751,8.083,7.826
Sep-77,10.055,69.510,8.077,10.229
Oct-77,9.400,67.660,8.295,11.419
Nov-77,9.175,68.979,8.137,10.501
Dec-77,9.161,31.002,8.346,9.134
Jan-78,9.366,23.115,8.005,9.070
Feb-78,10.309,23.520,8.151,10.600
Mar-78,11.010,38.765,8.019,11.641
Apr-78,11.434,59.530,8.207,11.920
May-78,10.841,68.760,8.273,11.780
Jun-78,11.161,65.565,8.721,12.035
Jul-78,9.605,53.640,8.719,8.645
Aug-78,10.241,64.395,8.925,9.141
Sep-78,10.914,57.775,9.110,11.290
Oct-78,10.704,69.860,8.899,12.987
Nov-78,10.435,69.245,9.074,12.532
Dec-78,10.425,59.630,9.464,10.566
Jan-79,11.117,57.451,9.736,11.891
Feb-79,11.701,54.525,10.320,12.956
Mar-79,13.268,66.379,10.790,13.669
Apr-79,12.370,63.531,10.675,11.881
May-79,12.952,69.058,11.403,13.167
Jun-79,13.059,70.287,12.041,11.738
Jul-79,11.540,53.252,12.375,8.484
Aug-79,11.954,71.181,13.378,7.283
Sep-79,12.840,64.189,14.004,10.483
Oct-79,12.429,78.070,13.881,11.644
Nov-79,12.205,68.037,14.469,10.048
Dec-79,12.241,60.339,15.296,8.134
Jan-80,12.948,69.105,15.696,8.808
Feb-80,13.641,65.180,16.522,10.054
Mar-80,14.682,70.473,16.554,9.921
Apr-80,13.982,69.135,16.039,8.850
May-80,13.213,70.531,16.394,7.780
Jun-80,13.338,70.830,16.693,7.856
Jul-80,11.830,60.656,15.875,6.102
Aug-80,12.802,67.890,16.218,6.416
Sep-80,14.276,68.344,16.254,9.469
Oct-80,13.986,71.723,16.818,11.073
Nov-80,13.362,68.130,17.647,9.935
Dec-80,14.457,71.647,17.963,8.296
Jan-81,14.415,65.622,19.128,8.340
Feb-81,15.125,70.446,19.425,9.406
Mar-81,16.638,77.718,18.351,10.862
Apr-81,15.765,35.816,18.024,11.119
May-81,15.565,37.829,18.629,11.430
Jun-81,16.140,61.083,19.015,12.158
Jul-81,14.063,73.510,18.306,8.390
Aug-81,14.738,78.248,18.988,8.530
Sep-81,15.743,81.303,18.577,9.579
Oct-81,14.310,84.784,18.853,10.511
Nov-81,13.822,76.027,18.366,9.140
Dec-81,14.133,75.966,18.470,7.516
Jan-82,13.833,66.443,17.685,7.148
Feb-82,14.861,70.344,16.917,8.727
Mar-82,15.806,82.932,15.878,10.142
Apr-82,15.132,73.155,16.553,10.538
May-82,15.237,70.656,17.669,10.931
Jun-82,15.514,71.231,18.161,11.624
Jul-82,13.098,59.868,17.721,8.605
Aug-82,14.102,72.091,17.377,8.690
Sep-82,14.948,67.203,17.824,10.024
Oct-82,13.269,70.068,17.473,9.432
Nov-82,13.284,63.043,16.793,8.622
Dec-82,13.719,62.177,16.379,7.694
Jan-83,13.516,62.454,15.468,9.703
Feb-83,14.640,60.394,14.425,11.560
Mar-83,15.590,68.553,15.026,12.127
Apr-83,14.763,61.552,15.659,11.729
May-83,15.501,62.916,16.073,12.571
Jun-83,16.344,61.445,17.092,13.710
Jul-83,13.935,54.904,16.829,9.897
Aug-83,15.188,72.891,16.896,11.304
Sep-83,16.894,69.927,16.987,13.493
Oct-83,15.551,71.340,16.200,14.372
Nov-83,15.360,68.272,15.864,14.226
Dec-83,15.927,63.354,16.051,12.593
Jan-84,15.563,67.622,15.166,14.620
Feb-84,16.485,73.408,15.294,16.005
Mar-84,17.592,81.232,16.176,16.683
Apr-84,17.036,72.511,16.291,15.487
May-84,17.091,80.676,15.918,15.684
Jun-84,17.861,76.094,16.349,15.962
Jul-84,15.408,74.381,15.730,12.000
Aug-84,16.329,90.365,15.551,13.769
Sep-84,17.277,78.538,16.322,14.031
Oct-84,15.855,69.419,15.427,16.078
Nov-84,15.434,64.039,15.418,15.827
Dec-84,16.299,63.475,15.371,13.149
Jan-85,15.911,67.921,13.610,15.969
Feb-85,16.618,66.897,14.160,16.628
Mar-85,17.756,77.347,14.792,16.670
Apr-85,17.138,76.241,15.252,16.487
May-85,16.739,77.979,15.221,16.883
Jun-85,17.663,72.731,15.651,16.201
Jul-85,14.980,68.821,14.884,12.168
Aug-85,15.933,79.212,15.253,14.010
Sep-85,17.163,73.596,14.825,16.556
Oct-85,15.903,79.711,14.776,17.404
Nov-85,15.314,68.881,15.449,16.435
Dec-85,16.194,69.593,15.262,13.123
Jan-86,16.246,77.804,13.937,16.744
Feb-86,16.943,72.209,12.002,17.410
Mar-86,17.069,77.078,10.834,16.484
Apr-86,17.320,74.333,10.568,17.103
May-86,16.421,72.568,11.049,17.301
Jun-86,16.979,72.071,10.246,17.301
Jul-86,14.749,67.253,9.413,12.843
Aug-86,16.141,75.912,9.682,13.748
Sep-86,17.461,74.407,9.671,16.904
Oct-86,15.934,79.412,8.991,17.342
Nov-86,15.581,69.774,9.224,15.476
Dec-86,16.246,73.201,9.261,15.424
Jan-87,16.394,74.473,9.289,15.988
Feb-87,17.353,71.447,9.333,19.244
Mar-87,17.887,75.609,9.663,18.715
Apr-87,17.784,70.768,9.907,17.780
May-87,17.959,70.436,10.318,17.160
Jun-87,18.705,76.780,10.772,17.349
Jul-87,16.474,69.427,11.194,11.171
Aug-87,17.652,80.348,11.176,13.438
Sep-87,19.064,82.118,10.952,16.713
Oct-87,17.780,85.630,10.984,18.369
Nov-87,17.600,78.919,10.699,17.067
Dec-87,18.053,79.246,10.241,14.055
Jan-88,19.957,75.364,10.257,15.500
Feb-88,20.942,76.778,10.047,18.475
Mar-88,22.343,83.964,10.606,19.423
Apr-88,22.053,75.351,10.891,18.686
May-88,21.286,73.979,11.160,19.646
Jun-88,22.504,76.448,11.651,19.733
Jul-88,20.243,69.198,11.500,12.605
Aug-88,21.897,88.206,11.713,16.616
Sep-88,22.816,83.272,11.004,19.156
Oct-88,21.879,80.853,10.860,21.348
Nov-88,21.676,82.973,10.853,20.049
Dec-88,22.102,80.324,10.873,18.020
Jan-89,22.459,81.969,10.590,20.262
Feb-89,23.136,75.040,10.728,21.789
Mar-89,23.686,88.981,11.354,20.603
Apr-89,23.971,77.145,12.618,21.928
May-89,23.244,82.486,12.712,21.025
Jun-89,24.264,78.544,13.077,19.346
Jul-89,21.819,66.269,12.384,11.786
Aug-89,22.661,90.824,12.350,19.082
Sep-89,23.602,84.618,12.625,20.127
Oct-89,22.187,89.574,12.777,20.217
Nov-89,21.805,86.965,12.357,20.385
Dec-89,22.353,72.554,12.738,16.653
Jan-90,22.131,90.276,13.268,13.065
Feb-90,23.190,81.756,12.571,20.275
Mar-90,24.548,91.292,12.442,21.776
Apr-90,24.252,82.880,12.687,20.260
May-90,23.506,86.200,12.995,22.523
Jun-90,24.736,84.276,13.039,23.033
Jul-90,22.049,79.535,13.035,14.133
Aug-90,24.493,91.515,16.683,20.110
Sep-90,25.487,82.813,18.752,19.682
Oct-90,24.260,93.078,19.604,22.197
Nov-90,23.929,86.461,18.201,17.212
Dec-90,23.031,75.487,16.080,11.784
Jan-91,23.701,85.810,14.935,15.467
Feb-91,24.205,82.592,13.261,17.002
Mar-91,24.200,85.012,12.838,15.952
Apr-91,24.971,79.324,13.509,18.767
May-91,24.560,79.917,14.352,20.605
Jun-91,24.992,76.896,14.136,19.809
Jul-91,22.566,79.720,13.672,14.233
Aug-91,24.037,88.818,14.394,19.311
Sep-91,25.047,81.504,14.406,20.827
Oct-91,24.115,90.230,14.587,23.388
Nov-91,23.034,81.644,14.271,20.181
Dec-91,22.590,79.244,12.981,14.344