Year	Number
1950	70.588
1951	71.886
1952	73.441
1953	74.741
1954	75.711
1955	76.515
1956	78.928
1957	80.674
1958	82.115
1959	83.536
1960	85.018
1961	86.989
1962	89.008
1963	90.873
1964	92.262
1965	93.06
1966	94.503
1967	95.248
1968	95.494
1969	95.57
1970	95.671
1971	96.647
1972	97.466
1973	98.094
1974	98.456
1975	98.54
1976	99.328
1977	99.744
1978	99.813
1979	99.509
1980	98.82
1981	98.756
1982	98.026
1983	96.916
1984	95.818
1985	94.947
1986	94.194
1987	93.97
1988	93.937
1989	93.644
1990	92.95
1991	93.315
1992	92.935
1993	92.226
1994	91.738
1995	91.693
1996	92.106
1997	92.813
1998	93.594
1999	94.069
2000	94.064
2001	94.234
2002	93.89
2003	93.174
2004	92.291
2005	91.343
2006	90.436
2007	89.48
2008	88.454
2009	87.313
2010	86.064
2011	84.928
2012	83.72
2013	82.503
2014	81.359
2015	80.333
2016	79.595
2017	78.899
2018	78.25
2019	77.64
2020	77.059
2021	76.634
2022	76.197
2023	75.748
2024	75.278
2025	74.782
2026	74.34
2027	73.857
2028	73.333
2029	72.765
2030	72.159
2031	71.59
2032	70.977
2033	70.334
2034	69.677
2035	69.02
2036	68.433
2037	67.832
2038	67.229
2039	66.636
2040	66.063
2041	65.576
2042	65.101
2043	64.627
2044	64.133
2045	63.614
2046	63.135
2047	62.626
2048	62.115
2049	61.635
2050	61.205
2051	60.861
2052	60.548
2053	60.259
2054	59.983
2055	59.718
2056	59.499
2057	59.279
2058	59.064
2059	58.863
2060	58.681
2061	58.537
2062	58.401
2063	58.268
2064	58.132
2065	57.993
2066	57.866
2067	57.731
2068	57.594
2069	57.456
2070	57.321
2071	57.198
2072	57.069
2073	56.943
2074	56.83
2075	56.737
2076	56.655
2077	56.583
2078	56.527
2079	56.489
2080	56.468
2081	56.456
2082	56.454
2083	56.465
2084	56.491
2085	56.534
2086	56.573
2087	56.624
2088	56.689
2089	56.766
2090	56.854
2091	56.929
2092	57.012
2093	57.106
2094	57.213
2095	57.335
2096	57.434
2097	57.544
2098	57.669
2099	57.808
2100	57.962