Year	Number
1950	96.042
1951	96.336
1952	96.281
1953	96.084
1954	95.817
1955	95.438
1956	95.703
1957	95.732
1958	95.547
1959	95.193
1960	94.78
1961	95.112
1962	95.238
1963	95.174
1964	94.943
1965	94.484
1966	94.497
1967	94.376
1968	94.098
1969	93.706
1970	93.295
1971	93.135
1972	92.906
1973	92.674
1974	92.405
1975	92.016
1976	91.83
1977	91.489
1978	91.109
1979	90.789
1980	90.513
1981	90.148
1982	90.045
1983	90.206
1984	90.531
1985	90.934
1986	90.373
1987	90.008
1988	89.899
1989	90.003
1990	90.218
1991	89.224
1992	88.373
1993	87.615
1994	86.826
1995	85.925
1996	85.127
1997	84.153
1998	83.117
1999	82.127
2000	81.23
2001	79.995
2002	78.668
2003	77.378
2004	76.263
2005	75.353
2006	73.772
2007	73.056
2008	73.006
2009	73.083
2010	72.856
2011	72.526
2012	71.426
2013	70.116
2014	69.166
2015	68.72
2016	67.833
2017	67.497
2018	67.502
2019	67.418
2020	66.983
2021	66.268
2022	65.219
2023	64.105
2024	63.217
2025	62.615
2026	61.938
2027	61.465
2028	61.193
2029	60.999
2030	60.755
2031	60.303
2032	59.813
2033	59.378
2034	59.044
2035	58.779
2036	58.384
2037	58.024
2038	57.759
2039	57.583
2040	57.447
2041	57.171
2042	56.909
2043	56.736
2044	56.671
2045	56.686
2046	56.591
2047	56.539
2048	56.578
2049	56.715
2050	56.908
2051	56.991
2052	57.107
2053	57.275
2054	57.452
2055	57.578
2056	57.491
2057	57.336
2058	57.199
2059	57.149
2060	57.191
2061	57.159
2062	57.196
2063	57.315
2064	57.469
2065	57.604
2066	57.576
2067	57.517
2068	57.5
2069	57.591
2070	57.799
2071	57.953
2072	58.196
2073	58.531
2074	58.912
2075	59.285
2076	59.496
2077	59.691
2078	59.916
2079	60.197
2080	60.521
2081	60.718
2082	60.951
2083	61.232
2084	61.561
2085	61.915
2086	62.119
2087	62.341
2088	62.614
2089	62.947
2090	63.316
2091	63.521
2092	63.763
2093	64.054
2094	64.396
2095	64.776
2096	65.001
2097	65.253
2098	65.563
2099	65.939
2100	66.365