Year	Number
1950	77.693
1951	78.246
1952	80.156
1953	81.55
1954	81.956
1955	81.693
1956	83.596
1957	83.853
1958	83.568
1959	83.805
1960	85.057
1961	85.608
1962	87.767
1963	90.838
1964	93.499
1965	94.975
1966	95.02
1967	94.654
1968	94.274
1969	94.083
1970	93.904
1971	93.047
1972	91.146
1973	88.817
1974	86.633
1975	84.811
1976	82.668
1977	81.166
1978	79.898
1979	78.287
1980	76.111
1981	74.43
1982	72.075
1983	69.307
1984	66.706
1985	64.671
1986	63.842
1987	63.6
1988	63.778
1989	63.958
1990	63.827
1991	63.897
1992	63.376
1993	62.515
1994	61.684
1995	61.015
1996	59.879
1997	59.202
1998	58.619
1999	57.713
2000	56.365
2001	55.11
2002	53.484
2003	51.729
2004	50.129
2005	48.756
2006	47.806
2007	46.715
2008	45.558
2009	44.557
2010	43.903
2011	42.651
2012	42.284
2013	42.405
2014	42.465
2015	42.23
2016	42.814
2017	42.718
2018	42.362
2019	42.349
2020	42.921
2021	43.436
2022	44.646
2023	46.255
2024	47.736
2025	48.822
2026	49.6
2027	50.001
2028	50.153
2029	50.339
2030	50.71
2031	51.205
2032	51.81
2033	52.488
2034	53.151
2035	53.74
2036	54.223
2037	54.67
2038	55.085
2039	55.49
2040	55.903
2041	56.259
2042	56.626
2043	57.017
2044	57.444
2045	57.916
2046	58.362
2047	58.847
2048	59.399
2049	60.052
2050	60.823
2051	61.625
2052	62.539
2053	63.549
2054	64.625
2055	65.737
2056	66.768
2057	67.839
2058	68.924
2059	69.97
2060	70.932
2061	71.646
2062	72.284
2063	72.859
2064	73.428
2065	74.032
2066	74.529
2067	75.106
2068	75.67
2069	76.054
2070	76.165
2071	75.82
2072	75.219
2073	74.558
2074	74.135
2075	74.124
2076	74.264
2077	74.817
2078	75.682
2079	76.661
2080	77.613
2081	78.307
2082	79.026
2083	79.765
2084	80.528
2085	81.321
2086	81.882
2087	82.481
2088	83.092
2089	83.711
2090	84.347
2091	84.728
2092	85.125
2093	85.566
2094	86.045
2095	86.545
2096	86.713
2097	86.965
2098	87.268
2099	87.58
2100	87.903