Year	Percent
1950	-1.342
1951	-1.248
1952	-0.884
1953	-0.248
1954	0.528
1955	1.282
1956	1.844
1957	2.108
1958	1.998
1959	1.528
1960	0.838
1961	0.139
1962	-0.291
1963	-0.171
1964	0.48
1965	1.421
1966	2.32
1967	2.927
1968	3.118
1969	2.916
1970	2.528
1971	2.164
1972	1.958
1973	1.981
1974	2.218
1975	2.547
1976	2.839
1977	2.975
1978	2.897
1979	2.627
1980	2.269
1981	1.94
1982	1.707
1983	1.6
1984	1.626
1985	1.716
1986	1.792
1987	1.859
1988	1.923
1989	1.98
1990	2.048
1991	2.116
1992	2.151
1993	2.124
1994	2.037
1995	1.918
1996	1.807
1997	1.753
1998	1.79
1999	1.907
2000	2.067
2001	2.217
2002	2.328
2003	2.385
2004	2.388
2005	2.364
2006	2.344
2007	2.325
2008	2.31
2009	2.302
2010	2.285
2011	2.269
2012	2.254
2013	2.239
2014	2.224
2015	2.21
2016	2.195
2017	2.18
2018	2.167
2019	2.154
2020	2.142
2021	2.128
2022	2.115
2023	2.104
2024	2.095
2025	2.086
2026	2.076
2027	2.064
2028	2.047
2029	2.028
2030	2.005
2031	1.98
2032	1.957
2033	1.932
2034	1.905
2035	1.877
2036	1.847
2037	1.82
2038	1.792
2039	1.763
2040	1.734
2041	1.706
2042	1.679
2043	1.65
2044	1.62
2045	1.592
2046	1.564
2047	1.536
2048	1.509
2049	1.483
2050	1.461
2051	1.439
2052	1.415
2053	1.39
2054	1.366
2055	1.342
2056	1.318
2057	1.295
2058	1.274
2059	1.251
2060	1.229
2061	1.209
2062	1.189
2063	1.169
2064	1.15
2065	1.13
2066	1.11
2067	1.092
2068	1.073
2069	1.053
2070	1.034
2071	1.016
2072	0.996
2073	0.976
2074	0.956
2075	0.934
2076	0.915
2077	0.894
2078	0.873
2079	0.854
2080	0.834
2081	0.814
2082	0.794
2083	0.774
2084	0.754
2085	0.734
2086	0.713
2087	0.693
2088	0.673
2089	0.655
2090	0.637
2091	0.619
2092	0.602
2093	0.584
2094	0.568
2095	0.551
2096	0.535
2097	0.52
2098	0.505
2099	0.492