Year	Number
1950	52.942
1951	54.013
1952	54.531
1953	55.07
1954	55.975
1955	57.303
1956	58.661
1957	60.483
1958	62.442
1959	64.048
1960	64.99
1961	65.597
1962	65.443
1963	64.695
1964	63.702
1965	62.661
1966	61.071
1967	59.69
1968	58.376
1969	56.96
1970	55.432
1971	54.322
1972	53.094
1973	51.902
1974	50.97
1975	50.403
1976	50.397
1977	50.623
1978	51.034
1979	51.486
1980	51.878
1981	52.18
1982	52.431
1983	52.674
1984	52.942
1985	53.225
1986	53.784
1987	54.195
1988	54.433
1989	54.52
1990	54.474
1991	54.176
1992	53.883
1993	53.501
1994	52.886
1995	51.979
1996	51.242
1997	50.173
1998	48.895
1999	47.611
2000	46.441
2001	45.349
2002	44.419
2003	43.604
2004	42.801
2005	41.973
2006	41.274
2007	40.637
2008	40.122
2009	39.814
2010	39.765
2011	40.286
2012	40.903
2013	41.675
2014	42.656
2015	43.843
2016	45.072
2017	46.528
2018	48.108
2019	49.653
2020	51.073
2021	52.432
2022	53.679
2023	54.76
2024	55.636
2025	56.29
2026	56.747
2027	56.983
2028	57.055
2029	57.04
2030	56.989
2031	56.902
2032	56.81
2033	56.746
2034	56.767
2035	56.931
2036	57.204
2037	57.631
2038	58.235
2039	59.022
2040	59.978
2041	61.061
2042	62.32
2043	63.755
2044	65.367
2045	67.152
2046	69.096
2047	71.234
2048	73.499
2049	75.759
2050	77.907
2051	79.878
2052	81.744
2053	83.472
2054	85.063
2055	86.534
2056	87.751
2057	88.832
2058	89.755
2059	90.493
2060	91.022
2061	91.106
2062	91.004
2063	90.755
2064	90.407
2065	89.995
2066	89.26
2067	88.502
2068	87.803
2069	87.272
2070	86.98
2071	86.714
2072	86.741
2073	87.012
2074	87.413
2075	87.85
2076	88.174
2077	88.621
2078	89.131
2079	89.641
2080	90.133
2081	90.467
2082	90.796
2083	91.124
2084	91.447
2085	91.74
2086	91.776
2087	91.816
2088	91.836
2089	91.827
2090	91.798
2091	91.507
2092	91.223
2093	90.954
2094	90.714
2095	90.508
2096	90.01
2097	89.557
2098	89.176
2099	88.898
2100	88.739