Year	Number
1950	42.308
1951	42.258
1952	42.489
1953	42.784
1954	43.053
1955	43.317
1956	44.041
1957	44.666
1958	45.338
1959	46.143
1960	47.071
1961	48.05
1962	48.97
1963	49.806
1964	50.519
1965	51.089
1966	51.902
1967	52.537
1968	52.985
1969	53.228
1970	53.283
1971	53.198
1972	52.85
1973	52.311
1974	51.656
1975	50.933
1976	50.438
1977	49.995
1978	49.51
1979	48.839
1980	47.926
1981	47.188
1982	46.233
1983	45.229
1984	44.395
1985	43.842
1986	43.598
1987	43.544
1988	43.684
1989	43.983
1990	44.41
1991	44.985
1992	45.669
1993	46.429
1994	47.171
1995	47.806
1996	48.394
1997	48.788
1998	49.038
1999	49.201
2000	49.294
2001	49.478
2002	49.589
2003	49.609
2004	49.524
2005	49.351
2006	48.676
2007	47.983
2008	47.322
2009	46.748
2010	46.278
2011	45.683
2012	45.126
2013	44.604
2014	44.125
2015	43.709
2016	44.138
2017	44.566
2018	45.015
2019	45.502
2020	46.029
2021	46.771
2022	47.512
2023	48.264
2024	49.028
2025	49.799
2026	50.695
2027	51.624
2028	52.563
2029	53.486
2030	54.389
2031	55.367
2032	56.311
2033	57.206
2034	58.028
2035	58.76
2036	59.436
2037	60.014
2038	60.51
2039	60.942
2040	61.325
2041	61.659
2042	61.939
2043	62.206
2044	62.515
2045	62.897
2046	63.332
2047	63.842
2048	64.392
2049	64.92
2050	65.386
2051	65.776
2052	66.111
2053	66.415
2054	66.71
2055	67.011
2056	67.267
2057	67.529
2058	67.805
2059	68.093
2060	68.388
2061	68.637
2062	68.921
2063	69.216
2064	69.487
2065	69.73
2066	69.887
2067	70.03
2068	70.163
2069	70.29
2070	70.419
2071	70.435
2072	70.45
2073	70.498
2074	70.596
2075	70.739
2076	70.789
2077	70.914
2078	71.092
2079	71.314
2080	71.596
2081	71.808
2082	72.084
2083	72.429
2084	72.834
2085	73.278
2086	73.579
2087	73.922
2088	74.305
2089	74.728
2090	75.185
2091	75.484
2092	75.826
2093	76.208
2094	76.617
2095	77.054
2096	77.33
2097	77.635
2098	77.972
2099	78.352
2100	78.785