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4 5 6 7 8 9 10 11 12 1 12 37 8 32 33 35 6 4 1 8 9 1 5 6 1 3 15 3 8 6 6 12 10 11 1 1 1 11 4 5 8 11 2 1 1 2 168 31 41 35 43 4 14 1 2 3 5 1 2
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1960 67.0 80.9 52.7 20.9 26.9 13.9 2.9 4.4 1.3 33.4 41.4 25.2 1965 74.9 88.2 61.1 26.7 34.3 18.8 4.5 6.6 2.4 39.7 48.1 31.0 1970 77.2 89.1 64.7 28.5 36.3 20.3 5.9 8.4 3.3 41.3 49.4 32.9 1975 80.8 92.1 68.9 31.0 38.2 23.4 7.0 9.7 4.1 43.2 50.8 35.2 1980 84.6 95.2 73.4 34.6 41.7 27.0 8.1 10.9 5.2 45.6 52.8 37.9