Year	Percent
1950	2.836
1951	2.642
1952	2.347
1953	2.213
1954	2.186
1955	2.215
1956	2.255
1957	2.271
1958	2.237
1959	2.148
1960	2.027
1961	1.916
1962	1.874
1963	1.942
1964	2.108
1965	2.321
1966	2.514
1967	2.601
1968	2.525
1969	2.302
1970	2.011
1971	1.737
1972	1.514
1973	1.355
1974	1.262
1975	1.203
1976	1.147
1977	1.112
1978	1.122
1979	1.174
1980	1.246
1981	1.32
1982	1.392
1983	1.462
1984	1.524
1985	1.585
1986	1.642
1987	1.665
1988	1.626
1989	1.531
1990	1.408
1991	1.288
1992	1.189
1993	1.122
1994	1.088
1995	1.076
1996	1.07
1997	1.065
1998	1.062
1999	1.062
2000	1.061
2001	1.062
2002	1.1
2003	1.2
2004	1.357
2005	1.543
2006	1.719
2007	1.835
2008	1.857
2009	1.789
2010	1.675
2011	1.562
2012	1.47
2013	1.41
2014	1.382
2015	1.368
2016	1.349
2017	1.322
2018	1.288
2019	1.248
2020	1.205
2021	1.164
2022	1.128
2023	1.098
2024	1.073
2025	1.053
2026	1.033
2027	1.012
2028	0.991
2029	0.967
2030	0.944
2031	0.922
2032	0.902
2033	0.884
2034	0.868
2035	0.853
2036	0.839
2037	0.826
2038	0.815
2039	0.805
2040	0.796
2041	0.787
2042	0.779
2043	0.772
2044	0.766
2045	0.76
2046	0.754
2047	0.746
2048	0.736
2049	0.724
2050	0.71
2051	0.697
2052	0.683
2053	0.67
2054	0.658
2055	0.646
2056	0.634
2057	0.622
2058	0.61
2059	0.599
2060	0.588
2061	0.576
2062	0.566
2063	0.555
2064	0.545
2065	0.536
2066	0.526
2067	0.517
2068	0.508
2069	0.5
2070	0.491
2071	0.483
2072	0.474
2073	0.465
2074	0.456
2075	0.447
2076	0.438
2077	0.429
2078	0.421
2079	0.413
2080	0.405
2081	0.398
2082	0.391
2083	0.384
2084	0.378
2085	0.373
2086	0.367
2087	0.361
2088	0.356
2089	0.35
2090	0.344
2091	0.339
2092	0.333
2093	0.326
2094	0.32
2095	0.313
2096	0.306
2097	0.298
2098	0.29
2099	0.281