Year,Pct Lower Tercile,Pct Upper Tercile
1940,34.038,38.9738
1941,31.176,45.385
1942,44.992,27.21262
1943,47.76,25.78214
1944,25.94,41.34516
1945,30.912,36.10989
1946,42.83,28.40076
1947,33.856,31.98522
1948,28.233,32.10057
1949,42.811,25.37614
1950,48.185,21.15787
1951,31.627,30.24907
1952,29.615,29.99311
1953,24.976,41.78011
1954,41.55,29.49722
1955,34.749,30.91504
1956,48.763,16.57201
1957,26.142,36.54572
1958,32.14,38.49377
1959,25.053,40.46007
1960,28.312,37.21699
1961,25.953,37.34437
1962,28.977,33.19961
1963,23.277,44.87938
1964,33.391,32.81327
1965,35.788,28.1283
1966,22.282,39.72532
1967,33.493,29.86406
1968,41.91,27.53384
1969,30.383,39.69509
1970,24.924,40.23832
1971,40.134,24.72954
1972,32.694,45.32717
1973,23.26,47.70576
1974,38.173,28.46332
1975,37.718,31.80425
1976,46.235,25.61889
1977,23.744,46.31853
1978,38.042,28.62228
1979,28.469,43.49206
1980,20.786,55.25056
1981,19.412,51.8966
1982,27.081,44.94144
1983,21.498,56.19006
1984,29.843,39.33051
1985,31.715,33.75144
1986,25.297,42.58463
1987,16.008,58.16168
1988,11.494,65.65503
1989,21.974,52.5823
1990,15.477,61.22017
1991,10.281,60.86871
1992,37.796,30.30126
1993,26.807,49.53907
1994,17.832,48.95591
1995,7.17,72.82924
1996,18.674,49.04573
1997,18.379,58.6795
1998,5.033,79.89194
1999,13.578,55.50774
2000,16.122,54.35711
2001,13.567,54.41609
2002,12.811,66.73657
2003,13.337,57.81797
2004,22.431,46.97648
2005,6.252,73.2646
2006,5.655,74.14861
2007,8.808,66.9741
2008,14.395,57.73196
2009,12.841,67.93989
2010,13.921,71.67297
2011,15.229,63.04331
2012,16.73,59.50955
2013,12.743,55.3201
2014,13.163,61.90598
2015,15.172,66.3902
2016,7.968,73.71287
2017,11.836,69.63892
2018,9.452,67.46776
2019,10.428,70.58674
2020,7.487,72.06275
2021,13.591,60.99804
2022,16.312,55.78246
2023,5.95,78.78816
2024,4.254,80.59324
2025,13.078,57.64757