Year	Percent
1950	1.627
1951	1.65
1952	1.693
1953	1.732
1954	1.768
1955	1.8
1956	1.828
1957	1.853
1958	1.874
1959	1.891
1960	1.906
1961	1.921
1962	1.935
1963	1.951
1964	1.969
1965	1.987
1966	2.005
1967	2.022
1968	2.04
1969	2.058
1970	2.075
1971	2.09
1972	2.106
1973	2.126
1974	2.149
1975	2.172
1976	2.191
1977	2.202
1978	2.2
1979	2.187
1980	2.169
1981	2.15
1982	2.128
1983	2.1
1984	2.067
1985	2.032
1986	1.998
1987	1.971
1988	1.959
1989	1.959
1990	1.965
1991	1.97
1992	1.972
1993	1.974
1994	1.974
1995	1.973
1996	1.97
1997	1.962
1998	1.943
1999	1.914
2000	1.881
2001	1.847
2002	1.815
2003	1.784
2004	1.756
2005	1.729
2006	1.702
2007	1.676
2008	1.653
2009	1.631
2010	1.611
2011	1.591
2012	1.572
2013	1.554
2014	1.536
2015	1.519
2016	1.501
2017	1.483
2018	1.464
2019	1.443
2020	1.421
2021	1.399
2022	1.377
2023	1.355
2024	1.332
2025	1.31
2026	1.287
2027	1.263
2028	1.24
2029	1.217
2030	1.194
2031	1.17
2032	1.146
2033	1.121
2034	1.096
2035	1.07
2036	1.044
2037	1.018
2038	0.993
2039	0.968
2040	0.943
2041	0.919
2042	0.895
2043	0.871
2044	0.848
2045	0.824
2046	0.802
2047	0.779
2048	0.757
2049	0.734
2050	0.712
2051	0.69
2052	0.669
2053	0.647
2054	0.626
2055	0.604
2056	0.583
2057	0.562
2058	0.541
2059	0.519
2060	0.498
2061	0.476
2062	0.455
2063	0.434
2064	0.414
2065	0.393
2066	0.373
2067	0.353
2068	0.334
2069	0.315
2070	0.296
2071	0.278
2072	0.26
2073	0.243
2074	0.225
2075	0.209
2076	0.192
2077	0.176
2078	0.16
2079	0.145
2080	0.13
2081	0.115
2082	0.101
2083	0.087
2084	0.073
2085	0.06
2086	0.046
2087	0.033
2088	0.02
2089	0.008
2090	-0.004
2091	-0.017
2092	-0.028
2093	-0.04
2094	-0.051
2095	-0.062
2096	-0.073
2097	-0.083
2098	-0.094
2099	-0.104