Year	Percent
1950	2.491
1951	2.536
1952	2.618
1953	2.684
1954	2.74
1955	2.788
1956	2.828
1957	2.864
1958	2.898
1959	2.929
1960	2.955
1961	2.975
1962	2.985
1963	2.982
1964	2.97
1965	2.949
1966	2.924
1967	2.9
1968	2.881
1969	2.866
1970	2.851
1971	2.832
1972	2.803
1973	2.761
1974	2.706
1975	2.646
1976	2.587
1977	2.532
1978	2.481
1979	2.435
1980	2.393
1981	2.351
1982	2.312
1983	2.276
1984	2.243
1985	2.212
1986	2.183
1987	2.158
1988	2.135
1989	2.116
1990	2.098
1991	2.081
1992	2.066
1993	2.057
1994	2.051
1995	2.047
1996	2.042
1997	2.032
1998	2.013
1999	1.986
2000	1.955
2001	1.925
2002	1.897
2003	1.874
2004	1.855
2005	1.837
2006	1.818
2007	1.8
2008	1.786
2009	1.773
2010	1.762
2011	1.749
2012	1.732
2013	1.707
2014	1.675
2015	1.639
2016	1.603
2017	1.568
2018	1.533
2019	1.499
2020	1.466
2021	1.432
2022	1.398
2023	1.364
2024	1.331
2025	1.298
2026	1.265
2027	1.232
2028	1.2
2029	1.168
2030	1.137
2031	1.106
2032	1.077
2033	1.049
2034	1.024
2035	0.999
2036	0.975
2037	0.951
2038	0.928
2039	0.904
2040	0.88
2041	0.857
2042	0.834
2043	0.81
2044	0.787
2045	0.763
2046	0.739
2047	0.716
2048	0.692
2049	0.669
2050	0.645
2051	0.622
2052	0.599
2053	0.576
2054	0.554
2055	0.532
2056	0.511
2057	0.49
2058	0.47
2059	0.45
2060	0.432
2061	0.414
2062	0.396
2063	0.378
2064	0.361
2065	0.345
2066	0.328
2067	0.313
2068	0.298
2069	0.283
2070	0.269
2071	0.255
2072	0.241
2073	0.228
2074	0.215
2075	0.203
2076	0.191
2077	0.178
2078	0.167
2079	0.155
2080	0.143
2081	0.131
2082	0.12
2083	0.109
2084	0.097
2085	0.086
2086	0.075
2087	0.065
2088	0.054
2089	0.043
2090	0.033
2091	0.023
2092	0.012
2093	0.002
2094	-0.007
2095	-0.017
2096	-0.027
2097	-0.037
2098	-0.047
2099	-0.056