Year	Percent
1950	1.404
1951	1.404
1952	1.408
1953	1.417
1954	1.431
1955	1.453
1956	1.484
1957	1.525
1958	1.575
1959	1.635
1960	1.699
1961	1.764
1962	1.824
1963	1.872
1964	1.911
1965	1.948
1966	1.987
1967	2.021
1968	2.042
1969	2.053
1970	2.054
1971	2.053
1972	2.08
1973	2.16
1974	2.285
1975	2.426
1976	2.548
1977	2.627
1978	2.648
1979	2.615
1980	2.558
1981	2.502
1982	2.424
1983	2.301
1984	2.143
1985	1.96
1986	1.777
1987	1.653
1988	1.63
1989	1.702
1990	1.822
1991	1.932
1992	1.975
1993	1.916
1994	1.762
1995	1.563
1996	1.375
1997	1.217
1998	1.095
1999	1.011
2000	0.948
2001	0.891
2002	0.845
2003	0.819
2004	0.813
2005	0.819
2006	0.833
2007	0.864
2008	0.923
2009	1.005
2010	1.101
2011	1.195
2012	1.272
2013	1.319
2014	1.335
2015	1.334
2016	1.332
2017	1.325
2018	1.311
2019	1.291
2020	1.267
2021	1.239
2022	1.213
2023	1.19
2024	1.171
2025	1.153
2026	1.136
2027	1.12
2028	1.108
2029	1.099
2030	1.093
2031	1.086
2032	1.081
2033	1.076
2034	1.073
2035	1.069
2036	1.066
2037	1.062
2038	1.057
2039	1.051
2040	1.045
2041	1.038
2042	1.03
2043	1.019
2044	1.007
2045	0.992
2046	0.977
2047	0.961
2048	0.945
2049	0.927
2050	0.909
2051	0.89
2052	0.87
2053	0.848
2054	0.825
2055	0.801
2056	0.777
2057	0.752
2058	0.727
2059	0.703
2060	0.678
2061	0.653
2062	0.629
2063	0.606
2064	0.583
2065	0.561
2066	0.539
2067	0.518
2068	0.497
2069	0.476
2070	0.456
2071	0.437
2072	0.417
2073	0.398
2074	0.38
2075	0.361
2076	0.343
2077	0.326
2078	0.309
2079	0.292
2080	0.275
2081	0.259
2082	0.243
2083	0.228
2084	0.212
2085	0.197
2086	0.182
2087	0.168
2088	0.153
2089	0.139
2090	0.125
2091	0.111
2092	0.097
2093	0.084
2094	0.071
2095	0.057
2096	0.044
2097	0.031
2098	0.018
2099	0.005