Year	Number
1950	83.079
1951	82.985
1952	82.463
1953	81.918
1954	81.613
1955	81.629
1956	82.153
1957	82.913
1958	83.798
1959	84.643
1960	85.356
1961	86.443
1962	87.294
1963	87.958
1964	88.521
1965	89.021
1966	89.721
1967	90.286
1968	90.654
1969	90.722
1970	90.446
1971	90.211
1972	89.417
1973	88.225
1974	86.807
1975	85.242
1976	83.624
1977	81.967
1978	80.205
1979	78.227
1980	76.002
1981	73.543
1982	70.987
1983	68.387
1984	65.839
1985	63.407
1986	61.044
1987	58.824
1988	56.763
1989	54.887
1990	53.206
1991	52.062
1992	51.05
1993	50.135
1994	49.276
1995	48.448
1996	47.407
1997	46.427
1998	45.498
1999	44.664
2000	43.971
2001	43.554
2002	43.254
2003	43.043
2004	42.845
2005	42.59
2006	41.689
2007	40.882
2008	40.152
2009	39.532
2010	39.071
2011	38.894
2012	38.815
2013	38.847
2014	38.992
2015	39.242
2016	39.515
2017	39.874
2018	40.321
2019	40.865
2020	41.509
2021	42.077
2022	42.781
2023	43.585
2024	44.444
2025	45.341
2026	46.184
2027	47.068
2028	48.012
2029	49.051
2030	50.201
2031	51.31
2032	52.528
2033	53.839
2034	55.219
2035	56.655
2036	57.943
2037	59.282
2038	60.669
2039	62.103
2040	63.582
2041	64.853
2042	66.167
2043	67.497
2044	68.809
2045	70.079
2046	71.056
2047	72
2048	72.916
2049	73.82
2050	74.722
2051	75.382
2052	76.063
2053	76.765
2054	77.495
2055	78.259
2056	78.83
2057	79.475
2058	80.173
2059	80.89
2060	81.603
2061	82.081
2062	82.604
2063	83.155
2064	83.722
2065	84.304
2066	84.668
2067	85.086
2068	85.556
2069	86.074
2070	86.632
2071	86.949
2072	87.356
2073	87.834
2074	88.368
2075	88.954
2076	89.3
2077	89.742
2078	90.244
2079	90.759
2080	91.249
2081	91.366
2082	91.502
2083	91.65
2084	91.806
2085	91.967
2086	91.771
2087	91.636
2088	91.55
2089	91.509
2090	91.518
2091	91.214
2092	91.017
2093	90.914
2094	90.896
2095	90.953
2096	90.707
2097	90.585
2098	90.567
2099	90.629
2100	90.761