Year	Percent
1950	-0.882
1951	-0.001
1952	1.337
1953	1.933
1954	2.013
1955	1.808
1956	1.532
1957	1.364
1958	1.433
1959	1.771
1960	2.271
1961	2.703
1962	2.783
1963	2.309
1964	1.353
1965	0.111
1966	-1.117
1967	-1.877
1968	-1.76
1969	-0.724
1970	0.852
1971	2.404
1972	3.495
1973	3.914
1974	3.71
1975	3.232
1976	2.817
1977	2.568
1978	2.491
1979	2.586
1980	2.759
1981	2.911
1982	3.027
1983	3.12
1984	3.193
1985	3.251
1986	3.313
1987	3.42
1988	3.6
1989	3.837
1990	4.068
1991	4.244
1992	4.373
1993	4.474
1994	4.538
1995	4.591
1996	4.621
1997	4.502
1998	4.141
1999	3.587
2000	2.952
2001	2.364
2002	1.957
2003	1.816
2004	1.929
2005	2.169
2006	2.398
2007	2.569
2008	2.674
2009	2.71
2010	2.715
2011	2.729
2012	2.744
2013	2.746
2014	2.735
2015	2.716
2016	2.691
2017	2.663
2018	2.633
2019	2.601
2020	2.568
2021	2.532
2022	2.493
2023	2.451
2024	2.406
2025	2.36
2026	2.314
2027	2.269
2028	2.226
2029	2.185
2030	2.146
2031	2.107
2032	2.07
2033	2.034
2034	2
2035	1.968
2036	1.936
2037	1.905
2038	1.875
2039	1.846
2040	1.817
2041	1.789
2042	1.761
2043	1.732
2044	1.704
2045	1.675
2046	1.646
2047	1.617
2048	1.588
2049	1.559
2050	1.529
2051	1.5
2052	1.471
2053	1.441
2054	1.41
2055	1.38
2056	1.35
2057	1.32
2058	1.291
2059	1.263
2060	1.235
2061	1.207
2062	1.18
2063	1.153
2064	1.126
2065	1.1
2066	1.073
2067	1.047
2068	1.022
2069	0.998
2070	0.974
2071	0.95
2072	0.926
2073	0.903
2074	0.879
2075	0.856
2076	0.833
2077	0.81
2078	0.788
2079	0.766
2080	0.744
2081	0.722
2082	0.701
2083	0.681
2084	0.661
2085	0.641
2086	0.621
2087	0.601
2088	0.582
2089	0.563
2090	0.544
2091	0.525
2092	0.506
2093	0.487
2094	0.469
2095	0.451
2096	0.432
2097	0.414
2098	0.396
2099	0.378