Year	Number
1950	76.376
1951	76.413
1952	76.664
1953	76.648
1954	76.279
1955	75.696
1956	76.453
1957	76.585
1958	76.505
1959	76.594
1960	76.987
1961	77.983
1962	79.254
1963	80.605
1964	81.685
1965	82.313
1966	83.365
1967	83.872
1968	83.971
1969	83.86
1970	83.624
1971	83.701
1972	83.584
1973	83.31
1974	82.924
1975	82.478
1976	82.343
1977	82.262
1978	82.22
1979	82.226
1980	82.313
1981	83.08
1982	83.87
1983	84.68
1984	85.458
1985	86.137
1986	87.323
1987	88.101
1988	88.595
1989	88.946
1990	89.18
1991	89.108
1992	89.044
1993	88.821
1994	88.224
1995	87.194
1996	86.16
1997	84.772
1998	83.154
1999	81.493
2000	79.884
2001	78.537
2002	77.149
2003	75.764
2004	74.418
2005	73.129
2006	71.96
2007	70.892
2008	69.866
2009	68.787
2010	67.617
2011	66.611
2012	65.482
2013	64.315
2014	63.224
2015	62.265
2016	61.424
2017	60.714
2018	60.079
2019	59.429
2020	58.726
2021	58.101
2022	57.405
2023	56.683
2024	55.999
2025	55.384
2026	54.832
2027	54.332
2028	53.864
2029	53.395
2030	52.91
2031	52.467
2032	52.015
2033	51.554
2034	51.088
2035	50.62
2036	50.188
2037	49.757
2038	49.344
2039	48.971
2040	48.652
2041	48.419
2042	48.221
2043	48.078
2044	48.015
2045	48.043
2046	48.181
2047	48.394
2048	48.657
2049	48.935
2050	49.208
2051	49.488
2052	49.757
2053	50.018
2054	50.277
2055	50.535
2056	50.804
2057	51.059
2058	51.309
2059	51.564
2060	51.831
2061	52.11
2062	52.395
2063	52.683
2064	52.965
2065	53.241
2066	53.516
2067	53.773
2068	54.025
2069	54.289
2070	54.574
2071	54.883
2072	55.204
2073	55.533
2074	55.86
2075	56.177
2076	56.515
2077	56.84
2078	57.16
2079	57.486
2080	57.824
2081	58.194
2082	58.573
2083	58.958
2084	59.343
2085	59.722
2086	60.112
2087	60.496
2088	60.875
2089	61.252
2090	61.626
2091	62.006
2092	62.383
2093	62.759
2094	63.132
2095	63.502
2096	63.864
2097	64.225
2098	64.588
2099	64.956
2100	65.328