Year	Number
1950	73.954
1951	74.783
1952	76.228
1953	77.568
1954	78.679
1955	79.749
1956	82.653
1957	84.809
1958	86.732
1959	88.822
1960	91.158
1961	93.979
1962	97.191
1963	100.353
1964	102.772
1965	104.093
1966	105.62
1967	106.187
1968	106.013
1969	105.48
1970	104.743
1971	103.956
1972	102.831
1973	101.401
1974	99.679
1975	97.722
1976	95.679
1977	93.524
1978	91.347
1979	89.268
1980	87.367
1981	86.092
1982	84.904
1983	83.804
1984	82.744
1985	81.674
1986	81.023
1987	80.136
1988	79.122
1989	78.131
1990	77.217
1991	76.094
1992	75.208
1993	74.354
1994	73.262
1995	71.829
1996	70.5
1997	68.804
1998	66.916
1999	65.086
2000	63.423
2001	61.772
2002	60.341
2003	59.06
2004	57.847
2005	56.683
2006	55.476
2007	54.385
2008	53.399
2009	52.526
2010	51.783
2011	51.234
2012	50.742
2013	50.369
2014	50.165
2015	50.128
2016	50.338
2017	50.584
2018	50.871
2019	51.196
2020	51.541
2021	51.713
2022	51.979
2023	52.25
2024	52.42
2025	52.446
2026	52.439
2027	52.288
2028	52.043
2029	51.79
2030	51.576
2031	51.358
2032	51.174
2033	51.033
2034	50.926
2035	50.85
2036	50.779
2037	50.753
2038	50.78
2039	50.872
2040	51.043
2041	51.242
2042	51.501
2043	51.838
2044	52.277
2045	52.824
2046	53.421
2047	54.115
2048	54.879
2049	55.674
2050	56.469
2051	57.197
2052	57.917
2053	58.637
2054	59.374
2055	60.134
2056	60.823
2057	61.532
2058	62.235
2059	62.894
2060	63.484
2061	63.903
2062	64.272
2063	64.592
2064	64.869
2065	65.11
2066	65.184
2067	65.236
2068	65.298
2069	65.421
2070	65.638
2071	65.81
2072	66.078
2073	66.463
2074	66.978
2075	67.625
2076	68.254
2077	69.042
2078	69.939
2079	70.866
2080	71.776
2081	72.52
2082	73.259
2083	73.998
2084	74.741
2085	75.482
2086	76.02
2087	76.575
2088	77.133
2089	77.68
2090	78.213
2091	78.519
2092	78.836
2093	79.168
2094	79.521
2095	79.898
2096	80.027
2097	80.194
2098	80.405
2099	80.669
2100	80.989