Year	Number
1950	87.062
1951	87.438
1952	86.969
1953	86.876
1954	87.405
1955	88.278
1956	88.582
1957	89.583
1958	90.641
1959	91.267
1960	91.363
1961	92.248
1962	92.259
1963	91.787
1964	91.326
1965	91.041
1966	91.038
1967	90.96
1968	90.706
1969	90.041
1970	88.85
1971	87.256
1972	85.28
1973	83.032
1974	80.72
1975	78.504
1976	76.244
1977	74.319
1978	72.616
1979	71.001
1980	69.451
1981	68.598
1982	67.6
1983	66.652
1984	65.977
1985	65.638
1986	65.566
1987	65.712
1988	65.974
1989	66.171
1990	66.199
1991	65.942
1992	65.5
1993	64.877
1994	64.104
1995	63.209
1996	62.249
1997	61.177
1998	59.998
1999	58.713
2000	57.335
2001	56.181
2002	54.912
2003	53.603
2004	52.354
2005	51.225
2006	50.137
2007	49.249
2008	48.501
2009	47.808
2010	47.138
2011	46.746
2012	46.306
2013	45.88
2014	45.558
2015	45.369
2016	45.194
2017	45.161
2018	45.238
2019	45.367
2020	45.522
2021	45.735
2022	45.963
2023	46.223
2024	46.553
2025	46.97
2026	47.409
2027	47.924
2028	48.494
2029	49.081
2030	49.661
2031	50.196
2032	50.731
2033	51.257
2034	51.76
2035	52.236
2036	52.603
2037	52.938
2038	53.282
2039	53.688
2040	54.184
2041	54.657
2042	55.228
2043	55.889
2044	56.631
2045	57.456
2046	58.246
2047	59.116
2048	60.073
2049	61.114
2050	62.228
2051	63.239
2052	64.324
2053	65.469
2054	66.653
2055	67.859
2056	68.912
2057	69.993
2058	71.096
2059	72.216
2060	73.352
2061	74.298
2062	75.274
2063	76.25
2064	77.189
2065	78.081
2066	78.673
2067	79.204
2068	79.727
2069	80.304
2070	80.961
2071	81.388
2072	81.908
2073	82.5
2074	83.126
2075	83.765
2076	84.111
2077	84.5
2078	84.932
2079	85.405
2080	85.916
2081	86.15
2082	86.443
2083	86.787
2084	87.168
2085	87.581
2086	87.694
2087	87.856
2088	88.073
2089	88.34
2090	88.65
2091	88.663
2092	88.741
2093	88.876
2094	89.064
2095	89.312
2096	89.282
2097	89.309
2098	89.402
2099	89.578
2100	89.836