Year	Number
1950	63.562
1951	64.46
1952	65.542
1953	67.105
1954	69.041
1955	71.116
1956	72.984
1957	75.239
1958	77.566
1959	79.687
1960	81.461
1961	82.949
1962	84.006
1963	84.765
1964	85.413
1965	86.02
1966	85.981
1967	85.624
1968	84.991
1969	84.142
1970	83.076
1971	79.806
1972	77.223
1973	75.079
1974	72.967
1975	70.731
1976	69.873
1977	68.563
1978	67.485
1979	67.165
1980	67.508
1981	65.316
1982	63.75
1983	62.436
1984	60.933
1985	59.127
1986	57.853
1987	56.204
1988	54.451
1989	52.966
1990	51.89
1991	51.134
1992	50.784
1993	50.684
1994	50.608
1995	50.444
1996	50.379
1997	50.26
1998	50.151
1999	50.157
2000	50.304
2001	49.626
2002	49.134
2003	48.763
2004	48.408
2005	48.032
2006	47.846
2007	47.651
2008	47.532
2009	47.602
2010	47.897
2011	48.018
2012	48.402
2013	48.993
2014	49.695
2015	50.444
2016	50.961
2017	51.55
2018	52.242
2019	53.081
2020	54.083
2021	54.886
2022	55.855
2023	56.969
2024	58.19
2025	59.474
2026	60.461
2027	61.54
2028	62.68
2029	63.829
2030	64.944
2031	65.629
2032	66.285
2033	66.954
2034	67.69
2035	68.522
2036	69.048
2037	69.685
2038	70.398
2039	71.116
2040	71.775
2041	72.011
2042	72.222
2043	72.45
2044	72.748
2045	73.135
2046	73.257
2047	73.497
2048	73.83
2049	74.186
2050	74.509
2051	74.482
2052	74.476
2053	74.515
2054	74.618
2055	74.788
2056	74.709
2057	74.759
2058	74.902
2059	75.091
2060	75.294
2061	75.195
2062	75.161
2063	75.216
2064	75.375
2065	75.626
2066	75.596
2067	75.723
2068	75.965
2069	76.279
2070	76.63
2071	76.66
2072	76.78
2073	76.997
2074	77.31
2075	77.688
2076	77.712
2077	77.865
2078	78.116
2079	78.438
2080	78.814
2081	78.837
2082	78.961
2083	79.187
2084	79.498
2085	79.871
2086	79.862
2087	79.968
2088	80.172
2089	80.447
2090	80.782
2091	80.728
2092	80.776
2093	80.928
2094	81.173
2095	81.487
2096	81.401
2097	81.441
2098	81.588
2099	81.82
2100	82.12