Year	Percent
1950	1.015
1951	1.056
1952	1.134
1953	1.205
1954	1.267
1955	1.316
1956	1.35
1957	1.367
1958	1.366
1959	1.347
1960	1.313
1961	1.269
1962	1.218
1963	1.167
1964	1.115
1965	1.067
1966	1.02
1967	0.944
1968	0.811
1969	0.627
1970	0.414
1971	0.207
1972	0.068
1973	0.047
1974	0.143
1975	0.306
1976	0.474
1977	0.604
1978	0.676
1979	0.687
1980	0.669
1981	0.656
1982	0.65
1983	0.645
1984	0.642
1985	0.637
1986	0.628
1987	0.624
1988	0.636
1989	0.662
1990	0.692
1991	0.716
1992	0.731
1993	0.736
1994	0.729
1995	0.72
1996	0.711
1997	0.674
1998	0.582
1999	0.44
2000	0.268
2001	0.098
2002	-0.022
2003	-0.055
2004	0
2005	0.104
2006	0.212
2007	0.296
2008	0.343
2009	0.351
2010	0.339
2011	0.33
2012	0.329
2013	0.334
2014	0.344
2015	0.356
2016	0.366
2017	0.369
2018	0.366
2019	0.357
2020	0.343
2021	0.328
2022	0.315
2023	0.302
2024	0.292
2025	0.282
2026	0.272
2027	0.26
2028	0.248
2029	0.236
2030	0.223
2031	0.21
2032	0.197
2033	0.183
2034	0.17
2035	0.156
2036	0.143
2037	0.129
2038	0.116
2039	0.104
2040	0.091
2041	0.079
2042	0.067
2043	0.054
2044	0.042
2045	0.03
2046	0.019
2047	0.007
2048	-0.004
2049	-0.014
2050	-0.025
2051	-0.035
2052	-0.045
2053	-0.056
2054	-0.066
2055	-0.077
2056	-0.088
2057	-0.098
2058	-0.109
2059	-0.12
2060	-0.131
2061	-0.142
2062	-0.153
2063	-0.164
2064	-0.174
2065	-0.185
2066	-0.196
2067	-0.206
2068	-0.216
2069	-0.226
2070	-0.236
2071	-0.245
2072	-0.255
2073	-0.263
2074	-0.272
2075	-0.28
2076	-0.287
2077	-0.295
2078	-0.302
2079	-0.308
2080	-0.315
2081	-0.32
2082	-0.326
2083	-0.333
2084	-0.339
2085	-0.346
2086	-0.353
2087	-0.359
2088	-0.363
2089	-0.366
2090	-0.369
2091	-0.37
2092	-0.372
2093	-0.374
2094	-0.375
2095	-0.376
2096	-0.377
2097	-0.377
2098	-0.376
2099	-0.373