Year	Percent
1950	1.571
1951	1.668
1952	1.828
1953	1.947
1954	2.033
1955	2.079
1956	2.073
1957	2.015
1958	1.909
1959	1.748
1960	1.56
1961	1.375
1962	1.218
1963	1.107
1964	1.06
1965	1.04
1966	1.017
1967	1.001
1968	1.004
1969	1.027
1970	1.063
1971	1.099
1972	1.123
1973	1.126
1974	1.107
1975	1.084
1976	1.055
1977	1.02
1978	0.984
1979	0.94
1980	0.89
1981	0.838
1982	0.785
1983	0.747
1984	0.72
1985	0.697
1986	0.675
1987	0.632
1988	0.558
1989	0.453
1990	0.34
1991	0.231
1992	0.129
1993	0.058
1994	0.014
1995	-0.025
1996	-0.055
1997	-0.071
1998	-0.057
1999	-0.011
2000	0.05
2001	0.115
2002	0.167
2003	0.191
2004	0.181
2005	0.16
2006	0.139
2007	0.118
2008	0.094
2009	0.069
2010	0.04
2011	0.006
2012	-0.01
2013	0.013
2014	0.062
2015	0.131
2016	0.202
2017	0.253
2018	0.268
2019	0.252
2020	0.225
2021	0.192
2022	0.163
2023	0.145
2024	0.132
2025	0.12
2026	0.105
2027	0.09
2028	0.077
2029	0.059
2030	0.051
2031	0.036
2032	0.02
2033	0.013
2034	0.005
2035	-0.004
2036	-0.013
2037	-0.021
2038	-0.041
2039	-0.066
2040	-0.096
2041	-0.128
2042	-0.158
2043	-0.189
2044	-0.214
2045	-0.238
2046	-0.261
2047	-0.287
2048	-0.313
2049	-0.334
2050	-0.353
2051	-0.369
2052	-0.39
2053	-0.411
2054	-0.429
2055	-0.446
2056	-0.463
2057	-0.478
2058	-0.495
2059	-0.511
2060	-0.522
2061	-0.537
2062	-0.551
2063	-0.564
2064	-0.58
2065	-0.597
2066	-0.61
2067	-0.62
2068	-0.642
2069	-0.657
2070	-0.667
2071	-0.682
2072	-0.694
2073	-0.706
2074	-0.723
2075	-0.734
2076	-0.739
2077	-0.751
2078	-0.763
2079	-0.774
2080	-0.786
2081	-0.797
2082	-0.806
2083	-0.815
2084	-0.824
2085	-0.831
2086	-0.837
2087	-0.844
2088	-0.85
2089	-0.856
2090	-0.86
2091	-0.864
2092	-0.864
2093	-0.871
2094	-0.877
2095	-0.876
2096	-0.883
2097	-0.89
2098	-0.884
2099	-0.887