Year	Number
1950	80.321
1951	81.246
1952	82.278
1953	83.264
1954	83.879
1955	83.931
1956	84.885
1957	85.817
1958	86.831
1959	88.036
1960	89.421
1961	89.781
1962	90.945
1963	93.07
1964	95.755
1965	98.316
1966	99.576
1967	99.365
1968	98.255
1969	97.003
1970	95.982
1971	94.475
1972	93.252
1973	92.197
1974	91.084
1975	89.827
1976	88.674
1977	87.504
1978	86.312
1979	85.123
1980	83.947
1981	82.681
1982	81.312
1983	79.932
1984	78.664
1985	77.568
1986	76.492
1987	75.568
1988	74.711
1989	73.758
1990	72.606
1991	71.405
1992	69.904
1993	68.216
1994	66.505
1995	64.852
1996	63.207
1997	61.694
1998	60.201
1999	58.61
2000	56.901
2001	55.28
2002	53.583
2003	51.899
2004	50.343
2005	48.98
2006	47.718
2007	46.633
2008	45.738
2009	45.034
2010	44.524
2011	44.257
2012	44.167
2013	44.249
2014	44.477
2015	44.82
2016	45.463
2017	46.085
2018	46.704
2019	47.344
2020	47.996
2021	48.476
2022	49.016
2023	49.537
2024	49.937
2025	50.172
2026	50.344
2027	50.354
2028	50.252
2029	50.136
2030	50.063
2031	50.01
2032	50.004
2033	50.031
2034	50.055
2035	50.064
2036	50.057
2037	50.053
2038	50.089
2039	50.219
2040	50.48
2041	50.856
2042	51.331
2043	51.92
2044	52.629
2045	53.454
2046	54.362
2047	55.36
2048	56.434
2049	57.564
2050	58.729
2051	59.88
2052	61.042
2053	62.177
2054	63.232
2055	64.166
2056	64.911
2057	65.527
2058	66.013
2059	66.375
2060	66.615
2061	66.669
2062	66.626
2063	66.496
2064	66.308
2065	66.089
2066	65.789
2067	65.48
2068	65.197
2069	64.98
2070	64.852
2071	64.755
2072	64.752
2073	64.872
2074	65.145
2075	65.587
2076	66.143
2077	66.882
2078	67.76
2079	68.695
2080	69.626
2081	70.501
2082	71.39
2083	72.274
2084	73.13
2085	73.947
2086	74.618
2087	75.255
2088	75.846
2089	76.382
2090	76.858
2091	77.107
2092	77.312
2093	77.479
2094	77.616
2095	77.735
2096	77.622
2097	77.512
2098	77.421
2099	77.372
2100	77.381