Year	Number
1950	85.361
1951	87.01
1952	88.507
1953	89.889
1954	91.14
1955	92.258
1956	93.921
1957	95.339
1958	96.565
1959	97.615
1960	98.469
1961	99.294
1962	99.991
1963	100.475
1964	100.646
1965	100.479
1966	100.552
1967	100.214
1968	99.54
1969	98.579
1970	97.329
1971	96.187
1972	94.56
1973	92.635
1974	90.663
1975	88.781
1976	86.594
1977	84.855
1978	83.3
1979	81.605
1980	79.676
1981	78.296
1982	76.545
1983	74.697
1984	73.097
1985	71.865
1986	70.895
1987	70.15
1988	69.537
1989	68.889
1990	68.12
1991	67.243
1992	66.353
1993	65.404
1994	64.354
1995	63.195
1996	62.076
1997	60.796
1998	59.438
1999	58.126
2000	56.923
2001	55.711
2002	54.669
2003	53.729
2004	52.782
2005	51.788
2006	50.962
2007	50.042
2008	49.111
2009	48.285
2010	47.613
2011	47.007
2012	46.552
2013	46.206
2014	45.904
2015	45.615
2016	45.391
2017	45.192
2018	45.023
2019	44.897
2020	44.823
2021	44.809
2022	44.826
2023	44.888
2024	45.016
2025	45.218
2026	45.451
2027	45.751
2028	46.112
2029	46.523
2030	46.98
2031	47.454
2032	47.972
2033	48.508
2034	49.025
2035	49.502
2036	49.886
2037	50.227
2038	50.559
2039	50.935
2040	51.385
2041	51.836
2042	52.352
2043	52.933
2044	53.571
2045	54.264
2046	54.944
2047	55.683
2048	56.47
2049	57.288
2050	58.127
2051	58.909
2052	59.709
2053	60.534
2054	61.393
2055	62.286
2056	63.114
2057	63.981
2058	64.873
2059	65.763
2060	66.631
2061	67.37
2062	68.102
2063	68.832
2064	69.582
2065	70.378
2066	71.083
2067	71.828
2068	72.615
2069	73.426
2070	74.238
2071	74.865
2072	75.507
2073	76.16
2074	76.817
2075	77.474
2076	77.941
2077	78.428
2078	78.931
2079	79.448
2080	79.98
2081	80.328
2082	80.71
2083	81.126
2084	81.565
2085	82.011
2086	82.241
2087	82.51
2088	82.806
2089	83.123
2090	83.461
2091	83.581
2092	83.74
2093	83.946
2094	84.198
2095	84.485
2096	84.53
2097	84.646
2098	84.823
2099	85.041
2100	85.288