"Year","Early career - All","Mid career - All","Late career - All","Early career - P60-80","Mid career - P60-80","Late career - P60-80" 1888,,,0.2280259,,, 1889,,,0.2346740,,, 1890,,,0.2389118,,, 1891,,,0.2388433,,, 1892,,,0.2418445,,, 1893,,,0.2575879,,, 1894,,,0.2766252,,, 1895,,,0.2853333,,, 1896,,,0.2685069,,, 1897,,,0.2848921,,, 1898,,,0.284,,, 1899,,,0.3223250,,, 1900,,0.2968802,0.2945545,,, 1901,,0.3054308,0.3384798,,, 1902,,0.3000390,0.3373626,,,0.2335220 1903,,0.2940007,0.2839806,,,0.2125314 1904,,0.3145642,0.3229527,,,0.201295 1905,,0.3364841,0.3478712,,,0.1969373 1906,,0.3346972,0.3428291,,,0.1769532 1907,,0.3420168,0.3152401,,,0.1750935 1908,,0.3383281,0.3446821,,,0.2052758 1909,,0.3362273,0.3470645,,,0.2131858 1910,,0.3364559,0.3503269,,,0.2136428 1911,,0.3511075,0.3551032,,,0.2115928 1912,0.3349059,0.3353846,0.3458447,,,0.1885210 1913,0.3405169,0.322294,0.3581015,,,0.1942222 1914,0.3416965,0.3475742,0.3608772,,0.1377352,0.1863276 1915,0.3396567,0.3278689,0.3699565,,0.1435350,0.1867804 1916,0.3465074,0.3592233,0.367697,,0.1567054,0.1927813 1917,0.3558407,0.344584,0.3742898,,0.1525352,0.2030521 1918,0.3625397,0.3428776,0.3786188,,0.1403858,0.2013748 1919,0.3650165,0.3476703,0.3767588,,0.1419835,0.1982616 1920,0.341859,0.354556,0.3747744,,0.1485793,0.2119309 1921,0.3525565,0.3603094,0.3766388,,0.1407215,0.2 1922,0.3358209,0.3655279,0.3830184,,0.1513423,0.2107309 1923,0.3586957,0.3676108,0.387264,,0.1532822,0.2282398 1924,0.3381703,0.360136,0.3742798,,0.1340307,0.2078371 1925,0.3353846,0.3673278,0.3848107,,0.1474037,0.240873 1926,0.3446115,0.3653149,0.3806054,0.1318827,0.1258812,0.2369896 1927,0.3265971,0.366379,0.3854727,0.1152830,0.1321070,0.2197628 1928,0.3344284,0.3726935,0.3946406,0.1126339,0.133829,0.2441352 1929,0.3620448,0.3775021,0.3986344,0.1187692,0.1624400,0.2589431 1930,0.3448276,0.3795768,0.4012779,0.1186866,0.1528384,0.2856016 1931,0.349892,0.3870605,0.4094303,0.1235224,0.1793249,0.2827181 1932,0.3395022,0.3886438,0.409014,0.1308047,0.1814301,0.2807611 1933,0.3394660,0.3873407,0.4072086,0.1209735,0.1836514,0.3003835 1934,0.3464918,0.3912277,0.4135326,0.1244770,0.2006347,0.2980688 1935,0.3303419,0.3803736,0.3967687,0.1089414,0.1871566,0.2907024 1936,0.3394141,0.3935550,0.4115859,0.1098678,0.2194708,0.3068 1937,0.3444894,0.3997444,0.415051,0.1073559,0.2230071,0.3256826 1938,0.3516837,0.4134799,0.4196763,0.1166456,0.2395172,0.3289622 1939,0.3481422,0.4092864,0.4145383,0.1109057,0.2394054,0.3177182 1940,0.3522370,0.4128673,0.4179777,0.1300741,0.2666264,0.3257061 1941,0.3650551,0.4242265,0.4287787,0.1540854,0.2939120,0.3416235 1942,0.3679925,0.4219535,0.4245066,0.1556871,0.2913144,0.3344431 1943,0.3697022,0.4227331,0.4214164,0.1570406,0.2909633,0.340949 1944,0.37777,0.4255766,0.4303299,0.1934115,0.3209877,0.3550769 1945,0.3859237,0.4293438,0.4303299,0.2218609,0.3267957,0.3550769 1946,0.3979018,0.4364503,0.4375615,0.2356274,0.3334818,0.3718592 1947,0.3997141,0.4387787,0.4394254,0.2719443,0.3501862,0.3711906 1948,0.4071283,0.4368701,0.4376134,0.2898885,0.3471938,0.372883 1949,0.4114571,0.4434492,0.4427413,0.3011450,0.3727554,0.3863523 1950,0.4221027,0.4458713,0.4431113,0.3385018,0.3695652,0.3923236 1951,0.4223927,0.4412514,,0.3332741,0.3729239, 1952,0.4250534,0.4414081,,0.3340108,0.3677205, 1953,0.4268971,0.4391489,,0.3491144,0.358555, 1954,0.4299752,0.4422276,,0.3499761,0.3710965, 1955,0.4316763,0.4440609,,0.3690421,0.3678565, 1956,0.4334299,0.4427253,,0.3723597,0.3634, 1957,0.4365458,0.4427253,,0.3663851,0.3634, 1958,0.4474203,0.4555495,,0.3958793,0.3703958, 1959,0.4424592,0.4476594,,0.3906748,0.3695166, 1960,0.4417663,0.4470813,,0.3829486,0.3652348, 1961,0.4480349,0.4492523,,0.3967176,0.3700757, 1962,0.4484752,0.4467883,,0.3940768,0.3745068, 1963,0.4490149,,,0.3903072,, 1964,0.4477134,,,0.3886242,, 1965,0.4492745,,,0.3919287,, 1966,0.4498329,,,0.3912568,, 1967,0.449051,,,0.3787951,, 1968,0.4448359,,,0.3854283,, 1969,0.4448359,,,0.3854283,, 1970,0.4448061,,,0.3848925,, 1971,0.4516917,,,0.3751905,, 1972,0.4441835,,,0.3761435,, 1973,0.4502626,,,0.3912866,, 1974,0.4491089,,,0.3887890,,