Year	Number
1950	53.344
1951	53.088
1952	52.334
1953	51.744
1954	51.496
1955	51.502
1956	51.361
1957	51.68
1958	52.172
1959	52.573
1960	52.796
1961	52.973
1962	52.991
1963	52.942
1964	52.986
1965	53.19
1966	53.64
1967	54.087
1968	54.56
1969	55.071
1970	55.614
1971	55.988
1972	56.385
1973	56.737
1974	56.946
1975	56.952
1976	56.989
1977	56.785
1978	56.307
1979	55.537
1980	54.482
1981	53.2
1982	51.706
1983	50.149
1984	48.713
1985	47.51
1986	46.835
1987	46.347
1988	46.003
1989	45.736
1990	45.509
1991	45.509
1992	45.551
1993	45.645
1994	45.794
1995	45.995
1996	46.304
1997	46.626
1998	46.986
1999	47.424
2000	47.963
2001	48.394
2002	48.939
2003	49.541
2004	50.099
2005	50.553
2006	51.033
2007	51.41
2008	51.733
2009	52.101
2010	52.587
2011	53.309
2012	54.091
2013	54.925
2014	55.762
2015	56.544
2016	57.092
2017	57.666
2018	58.24
2019	58.792
2020	59.342
2021	59.926
2022	60.493
2023	61.11
2024	61.879
2025	62.853
2026	63.903
2027	65.17
2028	66.631
2029	68.208
2030	69.846
2031	71.42
2032	73.073
2033	74.781
2034	76.544
2035	78.377
2036	80.085
2037	81.822
2038	83.58
2039	85.299
2040	86.901
2041	88.103
2042	89.2
2043	90.16
2044	90.978
2045	91.686
2046	92.018
2047	92.237
2048	92.386
2049	92.512
2050	92.631
2051	92.401
2052	92.186
2053	92.005
2054	91.859
2055	91.741
2056	91.336
2057	91.019
2058	90.768
2059	90.556
2060	90.382
2061	89.953
2062	89.595
2063	89.331
2064	89.172
2065	89.117
2066	88.862
2067	88.736
2068	88.722
2069	88.81
2070	89.01
2071	89.03
2072	89.159
2073	89.384
2074	89.669
2075	89.977
2076	89.971
2077	89.982
2078	90.03
2079	90.141
2080	90.321
2081	90.242
2082	90.244
2083	90.32
2084	90.453
2085	90.633
2086	90.531
2087	90.508
2088	90.556
2089	90.67
2090	90.854
2091	90.772
2092	90.772
2093	90.861
2094	91.043
2095	91.312
2096	91.312
2097	91.418
2098	91.624
2099	91.909
2100	92.26
