Year	Number
1950	91.596
1951	91.429
1952	91.057
1953	90.822
1954	90.64
1955	90.363
1956	90.935
1957	91.458
1958	91.885
1959	92.272
1960	92.696
1961	93.693
1962	94.681
1963	95.578
1964	96.23
1965	96.544
1966	97.276
1967	97.37
1968	97.016
1969	96.42
1970	95.642
1971	94.501
1972	93.283
1973	91.909
1974	90.296
1975	88.47
1976	86.548
1977	84.663
1978	82.805
1979	80.981
1980	79.221
1981	78.009
1982	76.652
1983	75.323
1984	74.223
1985	73.418
1986	72.76
1987	72.386
1988	72.143
1989	71.796
1990	71.228
1991	70.782
1992	70.045
1993	69.123
1994	68.17
1995	67.252
1996	66.288
1997	65.403
1998	64.533
1999	63.59
2000	62.551
2001	61.579
2002	60.55
2003	59.505
2004	58.508
2005	57.591
2006	56.823
2007	56.095
2008	55.423
2009	54.813
2010	54.264
2011	53.799
2012	53.394
2013	53.035
2014	52.699
2015	52.375
2016	52.097
2017	51.823
2018	51.563
2019	51.329
2020	51.129
2021	50.964
2022	50.822
2023	50.713
2024	50.651
2025	50.646
2026	50.7
2027	50.799
2028	50.925
2029	51.057
2030	51.183
2031	51.305
2032	51.421
2033	51.525
2034	51.612
2035	51.678
2036	51.713
2037	51.725
2038	51.736
2039	51.777
2040	51.865
2041	51.979
2042	52.133
2043	52.325
2044	52.547
2045	52.797
2046	53.047
2047	53.319
2048	53.623
2049	53.973
2050	54.377
2051	54.794
2052	55.255
2053	55.749
2054	56.256
2055	56.76
2056	57.213
2057	57.667
2058	58.121
2059	58.575
2060	59.034
2061	59.439
2062	59.848
2063	60.268
2064	60.71
2065	61.183
2066	61.599
2067	62.039
2068	62.512
2069	63.023
2070	63.567
2071	64.03
2072	64.531
2073	65.065
2074	65.629
2075	66.223
2076	66.724
2077	67.253
2078	67.816
2079	68.41
2080	69.027
2081	69.523
2082	70.052
2083	70.605
2084	71.176
2085	71.764
2086	72.211
2087	72.681
2088	73.177
2089	73.698
2090	74.244
2091	74.629
2092	75.042
2093	75.484
2094	75.958
2095	76.461
2096	76.782
2097	77.145
2098	77.553
2099	77.997
2100	78.467