Year	Number
1950	81.903
1951	82.537
1952	83.145
1953	83.379
1954	83.237
1955	82.865
1956	84.121
1957	84.683
1958	84.907
1959	85.085
1960	85.317
1961	86.589
1962	87.722
1963	88.651
1964	89.204
1965	89.298
1966	90.105
1967	90.303
1968	90.045
1969	89.537
1970	88.911
1971	89.664
1972	90.081
1973	90.253
1974	90.234
1975	90.063
1976	92.159
1977	93.876
1978	95.305
1979	96.523
1980	97.55
1981	98.98
1982	100
1983	100.677
1984	101.067
1985	101.206
1986	101.58
1987	101.669
1988	101.498
1989	101.061
1990	100.371
1991	100.111
1992	99.509
1993	98.662
1994	97.666
1995	96.56
1996	96.234
1997	95.733
1998	95.071
1999	94.275
2000	93.389
2001	92.731
2002	91.992
2003	91.203
2004	90.39
2005	89.578
2006	89.268
2007	88.846
2008	88.399
2009	88.039
2010	87.826
2011	87.687
2012	87.718
2013	87.817
2014	87.809
2015	87.602
2016	87.599
2017	87.223
2018	86.615
2019	85.966
2020	85.35
2021	84.518
2022	83.817
2023	83.112
2024	82.23
2025	81.121
2026	80.039
2027	78.779
2028	77.433
2029	76.14
2030	74.971
2031	73.967
2032	73.052
2033	72.221
2034	71.455
2035	70.742
2036	70.156
2037	69.616
2038	69.117
2039	68.657
2040	68.233
2041	67.888
2042	67.555
2043	67.232
2044	66.916
2045	66.603
2046	66.306
2047	66.006
2048	65.699
2049	65.383
2050	65.058
2051	64.737
2052	64.4
2053	64.049
2054	63.689
2055	63.326
2056	62.951
2057	62.576
2058	62.2
2059	61.825
2060	61.453
2061	61.086
2062	60.723
2063	60.376
2064	60.055
2065	59.77
2066	59.512
2067	59.285
2068	59.09
2069	58.928
2070	58.798
2071	58.685
2072	58.595
2073	58.538
2074	58.528
2075	58.571
2076	58.635
2077	58.742
2078	58.879
2079	59.021
2080	59.154
2081	59.243
2082	59.324
2083	59.401
2084	59.48
2085	59.566
2086	59.604
2087	59.649
2088	59.703
2089	59.768
2090	59.847
2091	59.867
2092	59.906
2093	59.967
2094	60.052
2095	60.164
2096	60.217
2097	60.3
2098	60.414
2099	60.561
2100	60.742