"Year","After 10 years, All","After 10 years, Men","After 15 years, All","After 15 years, Men","After 20 years, All","After 20 years, Men"
1951,0.666577,0.5672902,0.4745518,0.7137414,0.646917,0.580503
1952,0.6718374,0.5695581,0.4756093,0.7223384,0.65144,0.5839457
1953,0.6754145,0.5695966,0.4782788,0.7275816,0.6537988,0.5872914
1954,0.6769511,0.5636186,0.4720362,0.7304137,0.651794,0.5809184
1955,0.6716369,0.5552854,0.461987,0.7289252,0.6453376,0.5736454
1956,0.6720123,0.5549393,0.4652111,0.7299379,0.6470545,0.5720856
1957,0.6710458,0.5524905,0.4647948,0.728902,0.6450185,0.5678314
1958,0.6709322,0.5565436,0.4662482,0.728026,0.6449193,0.5651413
1959,0.6719364,0.5550603,0.4658759,0.728872,0.6404867,0.5599915
1960,0.6709555,0.5551995,0.463004,0.7261001,0.6370792,0.554577
1961,0.669486,0.5562786,0.4636854,0.7252719,0.6336909,0.5465336
1962,0.6604025,0.5483474,0.4565052,0.71729,0.6256585,0.5423096
1963,0.6566742,0.5422079,0.4488576,0.7149946,0.6204249,0.5342946
1964,0.6514492,0.5375183,0.4451245,0.7096088,0.6143241,0.5272823
1965,0.6467962,0.5322886,0.4404892,0.705532,0.609251,0.5208579
1966,0.6457388,0.5322707,0.4394178,0.7036597,0.6071545,0.5174896
1967,0.643193,0.5261803,0.4323351,0.700997,0.6011042,0.5114824
1968,0.641851,0.52323,0.4343092,0.6977668,0.5951848,0.5123416
1969,0.6425834,0.5258042,0.4399133,0.695365,0.5918968,0.5113886
1970,0.6449201,0.5272955,0.4425234,0.6952531,0.5885988,0.5086096
1971,0.6438766,0.5238499,0.4403768,0.6919804,0.5820644,0.5033756
1972,0.6403884,0.519007,0.4373688,0.685136,0.5741712,0.4975991
1973,0.6383881,0.5214606,0.4360738,0.677348,0.5710549,0.4907709
1974,0.6372464,0.5221844,0.4370186,0.671976,0.56682,0.4871551
1975,0.6369721,0.5243387,0.440038,0.6672411,0.5637262,0.4855621
1976,0.6370428,0.5269257,0.4444155,0.6645513,0.5633831,0.4871978
1977,0.6380327,0.5293351,0.449871,0.661911,0.5627415,0.4888312
1978,0.6455908,0.5353038,0.4578777,0.6655103,0.5638048,0.49373
1979,0.6474605,0.5382481,0.4637836,0.663667,0.5627548,0.4937184
1980,0.6485537,0.5425565,NA,0.6606764,0.563136,NA
1981,0.6513498,0.5477151,NA,0.6596155,0.5652636,NA
1982,0.6554938,0.5543637,NA,0.6621937,0.5690332,NA
1983,0.6600959,0.560071,NA,0.6631626,0.571635,NA
1984,0.6622528,0.5647945,NA,0.6631079,0.5727811,NA
1985,0.6630297,NA,NA,0.6632487,NA,NA
1986,0.6665279,NA,NA,0.6662843,NA,NA
1987,0.6705995,NA,NA,0.6693587,NA,NA
1988,0.6731262,NA,NA,0.6707556,NA,NA
1989,0.6730701,NA,NA,0.6679433,NA,NA