Year	Percent
1950	-0.074
1951	0.296
1952	0.956
1953	1.466
1954	1.836
1955	2.076
1956	2.188
1957	2.182
1958	2.085
1959	1.914
1960	1.676
1961	1.402
1962	1.132
1963	0.88
1964	0.655
1965	0.428
1966	0.2
1967	-0.004
1968	-0.147
1969	-0.233
1970	-0.263
1971	-0.261
1972	-0.296
1973	-0.418
1974	-0.635
1975	-0.929
1976	-1.24
1977	-1.31
1978	-0.904
1979	-0.038
1980	1.119
1981	2.244
1982	2.902
1983	2.793
1984	2.002
1985	0.858
1986	-0.264
1987	-1.05
1988	-1.28
1989	-0.915
1990	-0.215
1991	0.473
1992	0.95
1993	1.123
1994	0.982
1995	0.695
1996	0.431
1997	0.254
1998	0.158
1999	0.153
2000	0.2
2001	0.236
2002	0.258
2003	0.272
2004	0.28
2005	0.293
2006	0.308
2007	0.324
2008	0.342
2009	0.358
2010	0.372
2011	0.383
2012	0.395
2013	0.415
2014	0.43
2015	0.448
2016	0.467
2017	0.474
2018	0.462
2019	0.445
2020	0.428
2021	0.393
2022	0.361
2023	0.328
2024	0.284
2025	0.244
2026	0.199
2027	0.156
2028	0.127
2029	0.107
2030	0.088
2031	0.07
2032	0.05
2033	0.031
2034	0.013
2035	-0.002
2036	-0.021
2037	-0.043
2038	-0.061
2039	-0.079
2040	-0.098
2041	-0.115
2042	-0.132
2043	-0.159
2044	-0.184
2045	-0.209
2046	-0.241
2047	-0.27
2048	-0.295
2049	-0.326
2050	-0.355
2051	-0.384
2052	-0.414
2053	-0.442
2054	-0.476
2055	-0.509
2056	-0.542
2057	-0.576
2058	-0.604
2059	-0.627
2060	-0.659
2061	-0.694
2062	-0.714
2063	-0.738
2064	-0.767
2065	-0.79
2066	-0.819
2067	-0.836
2068	-0.856
2069	-0.882
2070	-0.902
2071	-0.923
2072	-0.94
2073	-0.959
2074	-0.974
2075	-0.984
2076	-0.995
2077	-1.011
2078	-1.021
2079	-1.024
2080	-1.038
2081	-1.051
2082	-1.053
2083	-1.059
2084	-1.062
2085	-1.058
2086	-1.062
2087	-1.069
2088	-1.074
2089	-1.071
2090	-1.079
2091	-1.089
2092	-1.087
2093	-1.091
2094	-1.102
2095	-1.108
2096	-1.111
2097	-1.112
2098	-1.123
2099	-1.135