Year	Number
1950	67.251
1951	69.203
1952	72.465
1953	74.825
1954	75.696
1955	75.548
1956	78.136
1957	78.618
1958	78.468
1959	78.931
1960	80.394
1961	81.11
1962	83.509
1963	86.684
1964	89.255
1965	90.65
1966	92.581
1967	93.377
1968	93.545
1969	93.859
1970	94.637
1971	96.354
1972	97.903
1973	99.37
1974	100.725
1975	101.89
1976	102.694
1977	103.56
1978	104.216
1979	104.328
1980	103.793
1981	103.958
1982	103.524
1983	102.674
1984	101.71
1985	100.782
1986	100.452
1987	100.176
1988	99.87
1989	99.426
1990	98.822
1991	97.482
1992	96.007
1993	94.505
1994	93.114
1995	91.9
1996	90.645
1997	89.602
1998	88.677
1999	87.726
2000	86.681
2001	86.1
2002	85.307
2003	84.435
2004	83.674
2005	83.106
2006	82.711
2007	82.614
2008	82.634
2009	82.544
2010	82.275
2011	81.709
2012	80.878
2013	79.978
2014	79.229
2015	78.696
2016	78.478
2017	78.393
2018	78.324
2019	78.106
2020	77.664
2021	77.125
2022	76.437
2023	75.636
2024	74.779
2025	73.905
2026	73.106
2027	72.286
2028	71.473
2029	70.708
2030	70.016
2031	69.48
2032	68.991
2033	68.541
2034	68.12
2035	67.723
2036	67.428
2037	67.136
2038	66.851
2039	66.575
2040	66.309
2041	66.102
2042	65.886
2043	65.659
2044	65.413
2045	65.144
2046	64.893
2047	64.611
2048	64.304
2049	63.983
2050	63.655
2051	63.352
2052	63.034
2053	62.702
2054	62.36
2055	62.012
2056	61.691
2057	61.357
2058	61.019
2059	60.689
2060	60.374
2061	60.11
2062	59.854
2063	59.602
2064	59.344
2065	59.076
2066	58.841
2067	58.588
2068	58.334
2069	58.1
2070	57.898
2071	57.744
2072	57.608
2073	57.491
2074	57.387
2075	57.296
2076	57.238
2077	57.183
2078	57.133
2079	57.088
2080	57.048
2081	57.021
2082	56.992
2083	56.961
2084	56.93
2085	56.902
2086	56.875
2087	56.845
2088	56.817
2089	56.793
2090	56.777
2091	56.763
2092	56.751
2093	56.745
2094	56.752
2095	56.776
2096	56.793
2097	56.824
2098	56.871
2099	56.935
2100	57.015