Year	Number
1950	48.925
1951	51.112
1952	52.03
1953	53.926
1954	57.105
1955	61.004
1956	63.871
1957	67.956
1958	72.185
1959	75.542
1960	77.644
1961	78.466
1962	78.242
1963	77.367
1964	76.206
1965	74.767
1966	74.627
1967	73.77
1968	72.459
1969	70.978
1970	69.46
1971	66.76
1972	64.458
1973	62.379
1974	60.241
1975	57.973
1976	55.526
1977	52.656
1978	49.798
1979	47.375
1980	45.501
1981	44.628
1982	44.348
1983	44.437
1984	44.558
1985	44.538
1986	44.446
1987	44.104
1988	43.677
1989	43.367
1990	43.232
1991	42.472
1992	42.016
1993	41.735
1994	41.414
1995	40.95
1996	40.994
1997	40.739
1998	40.302
1999	39.817
2000	39.298
2001	38.666
2002	38.02
2003	37.342
2004	36.575
2005	35.712
2006	34.702
2007	33.798
2008	33.182
2009	33.01
2010	33.286
2011	33.431
2012	33.999
2013	34.874
2014	35.903
2015	37.026
2016	38.644
2017	40.124
2018	41.649
2019	43.448
2020	45.594
2021	47.555
2022	49.958
2023	52.601
2024	55.16
2025	57.464
2026	59.613
2027	61.496
2028	63.142
2029	64.666
2030	66.136
2031	67.425
2032	68.598
2033	69.687
2034	70.731
2035	71.775
2036	72.644
2037	73.496
2038	74.378
2039	75.319
2040	76.32
2041	77.137
2042	78.046
2043	79.028
2044	80.077
2045	81.212
2046	82.291
2047	83.449
2048	84.676
2049	85.922
2050	87.14
2051	88.129
2052	89.048
2053	89.938
2054	90.853
2055	91.823
2056	92.58
2057	93.398
2058	94.187
2059	94.839
2060	95.311
2061	95.368
2062	95.246
2063	94.959
2064	94.513
2065	93.901
2066	92.87
2067	91.714
2068	90.477
2069	89.209
2070	87.965
2071	86.52
2072	85.127
2073	83.897
2074	82.969
2075	82.417
2076	82.033
2077	82.066
2078	82.391
2079	82.842
2080	83.335
2081	83.704
2082	84.107
2083	84.592
2084	85.173
2085	85.813
2086	86.296
2087	86.849
2088	87.419
2089	87.957
2090	88.466
2091	88.799
2092	89.13
2093	89.449
2094	89.732
2095	89.966
2096	90.003
2097	90.004
2098	89.957
2099	89.878
2100	89.796