Year	Percent
1950	0.989
1951	1.001
1952	1.033
1953	1.082
1954	1.145
1955	1.219
1956	1.301
1957	1.388
1958	1.478
1959	1.567
1960	1.654
1961	1.737
1962	1.815
1963	1.887
1964	1.95
1965	2.012
1966	2.072
1967	2.108
1968	2.097
1969	2.047
1970	1.98
1971	1.921
1972	1.901
1973	1.941
1974	2.037
1975	2.152
1976	2.255
1977	2.364
1978	2.498
1979	2.647
1980	2.809
1981	2.96
1982	3.024
1983	2.949
1984	2.753
1985	2.493
1986	2.246
1987	2.092
1988	2.087
1989	2.218
1990	2.412
1991	2.586
1992	2.69
1993	2.701
1994	2.626
1995	2.509
1996	2.396
1997	2.298
1998	2.213
1999	2.144
2000	2.074
2001	1.992
2002	1.913
2003	1.852
2004	1.804
2005	1.777
2006	1.76
2007	1.681
2008	1.48
2009	1.173
2010	0.81
2011	0.469
2012	0.262
2013	0.277
2014	0.513
2015	0.87
2016	1.227
2017	1.53
2018	1.757
2019	1.9
2020	2.002
2021	2.103
2022	2.189
2023	2.236
2024	2.248
2025	2.237
2026	2.216
2027	2.194
2028	2.176
2029	2.163
2030	2.15
2031	2.131
2032	2.106
2033	2.076
2034	2.043
2035	2.007
2036	1.971
2037	1.934
2038	1.899
2039	1.865
2040	1.831
2041	1.797
2042	1.765
2043	1.734
2044	1.705
2045	1.676
2046	1.649
2047	1.622
2048	1.597
2049	1.574
2050	1.552
2051	1.529
2052	1.507
2053	1.485
2054	1.462
2055	1.438
2056	1.415
2057	1.391
2058	1.367
2059	1.341
2060	1.316
2061	1.29
2062	1.263
2063	1.236
2064	1.208
2065	1.18
2066	1.152
2067	1.124
2068	1.096
2069	1.067
2070	1.038
2071	1.009
2072	0.981
2073	0.953
2074	0.925
2075	0.897
2076	0.87
2077	0.843
2078	0.818
2079	0.793
2080	0.769
2081	0.745
2082	0.722
2083	0.699
2084	0.677
2085	0.655
2086	0.633
2087	0.612
2088	0.591
2089	0.571
2090	0.551
2091	0.532
2092	0.512
2093	0.493
2094	0.473
2095	0.453
2096	0.433
2097	0.414
2098	0.394
2099	0.374