100 Exchange 99.6 Rate TWI 99.4 May 1970 - Aug 1995 99.1 99.2 99.2 99.2 99.3 100 100 100 100 99.8 99.8 99.7 99.3 99.8 99.4 99.3 99.8 98.8 98.1 97.8 97.9 97.9 98.5 98.6 98.5 98.9 99.8 99.4 106.5 105.9 110.7 110.5 110.5 109.1 107.9 107.9 108.9 113.9 113.8 117.3 118.1 121.3 119 115.5 116 117 117.3 118.8 120.5 105.3 105.3 105.3 105.3 105.3 105.3 105.3 105.3 105.3 105.3 105.3 105.3 105.3 105.3 105.3 105.3 105.3 105.3 105.3 105.3 105.3 105.3 105.3 105.3 105.3 105.3 86.9 92.2 92.2 92.5 92.5 92.5 92.5 92.5 92.5 91.5 91.5 90.9 90 89.4 89.2 88.5 87.5 87.5 87.3 86.2 84.7 83.7 83.6 82.2 83.2 82.7 82.8 82.4 82.3 82.8 83.1 83.1 83.3 83.5 83.5 83.7 83.6 83.3 83.2 83.5 84.4 84.5 84.7 85 85.5 85.8 85.8 86.2 86.8 87.1 87.5 88.2 88.8 89.5 90.8 92.9 94.2 94.4 93.8 93 91.2 90.5 90.1 89.2 88.8 88.2 88 88.2 86.1 84.1 83.8 83.9 83.5 83.4 83.6 82.4 76.1 76.2 77.6 77.7 78.8 79.6 80.4 81.7 82 81.1 83.5 84.2 82.9 82.6 81.6 79.2 78.7 80.1 80.3 82 83.5 81.3 80.8 72.3 69.2 64.2 64.8 65 68.5 66.4 64.8 63.4 60.9 60.7 62.7 59.8 61.1 61.4 60.7 56.3 49.3 50.3 51.9 54 54.3 55 52.8 54.1 55.4 54.5 55.8 56.6 55.3 55.2 56.2 51.7 52.3 52 52.5 53.1 53.8 55.2 58.9 59.8 61 61.8 60 61.1 63.7 63.2 66.7 59.6 62.2 60 58.8 59.4 57.8 60 59.8 60.7 60.4 61.1 59.4 59 59.8 59.6 60.2 61.6 60.4 61.4 61.6 57.2 56.9 57.3 57.5 57.9 59.7 60.2 58.5 59.7 60.1 60.5 60.6 59.3 59 55.9 55.8 56.8 58.6 57.9 56.9 55.2 54.7 51.6 51.7 51.9 51.8 52.4 51.6 52.7 52.9 52.3 49.4 49.5 50.6 49.3 47.3 49.4 49.1 50.8 54 53.6 52.1 52.6 54.6 53 53.9 53.9 53.4 53.1 55.5 56.2 54.5 52.9 50.7 49.6 48.5 48.4 51 53.9 100 99.6 99.4 99.1 99.2 99.2 99.2 99.3 100 100 100 100 99.8 99.8 99.7 99.3 99.8 99.4 99.3 99.8 98.8 98.1 97.8 97.9 97.9 98.5 98.6 98.5 98.9 99.8 99.4 106.5 105.9 110.7 110.5 110.5 109.1 107.9 107.9 108.9 113.9 113.8 117.3 118.1 121.3 119 115.5 116 117 117.3 118.8 120.5 105.3 105.3 105.3 105.3 105.3 105.3 105.3 105.3 105.3 105.3 105.3 105.3 105.3 105.3 105.3 105.3 105.3 105.3 105.3 105.3 105.3 105.3 105.3 105.3 105.3 105.3 86.9 92.2 92.2 92.5 92.5 92.5 92.5 92.5 92.5 91.5 91.5 90.9 90 89.4 89.2 88.5 87.5 87.5 87.3 86.2 84.7 83.7 83.6 82.2 83.2 82.7 82.8 82.4 82.3 82.8 83.1 83.1 83.3 83.5 83.5 83.7 83.6 83.3 83.2 83.5 84.4 84.5 84.7 85 85.5 85.8 85.8 86.2 86.8 87.1 87.5 88.2 88.8 89.5 90.8 92.9 94.2 94.4 93.8 93 91.2 90.5 90.1 89.2 88.8 88.2 88 88.2 86.1 84.1 83.8 83.9 83.5 83.4 83.6 82.4 76.1 76.2 77.6 77.7 78.8 79.6 80.4 81.7 82 81.1 83.5 84.2 82.9 82.6 81.6 79.2 78.7 80.1 80.3 82 83.5 81.3 80.8 72.3 69.2 64.2 64.8 65 68.5 66.4 64.8 63.4 60.9 60.7 62.7 59.8 61.1 61.4 60.7 56.3 49.3 50.3 51.9 54 54.3 55 52.8 54.1 55.4 54.5 55.8 56.6 55.3 55.2 56.2 51.7 52.3 52 52.5 53.1 53.8 55.2 58.9 59.8 61 61.8 60 61.1 63.7 63.2 66.7 59.6 62.2 60 58.8 59.4 57.8 60 59.8 60.7 60.4 61.1 59.4 59 59.8 59.6 60.2 61.6 60.4 61.4 61.6 57.2 56.9 57.3 57.5 57.9 59.7 60.2 58.5 59.7 60.1 60.5 60.6 59.3 59 55.9 55.8 56.8 58.6 57.9 56.9 55.2 54.7 51.6 51.7 51.9 51.8 52.4 51.6 52.7 52.9 52.3 49.4 49.5 50.6 49.3 47.3 49.4 49.1 50.8 54 53.6 52.1 52.6 54.6 53 53.9 53.9 53.4 53.1 55.5 56.2 54.5 52.9 50.7 49.6 48.5 48.4 51 53.9