Year	Number
1950	54.614
1951	55.278
1952	55.753
1953	56.251
1954	56.721
1955	57.027
1956	56.88
1957	56.781
1958	56.583
1959	56.239
1960	55.799
1961	55.601
1962	55.232
1963	54.808
1964	54.479
1965	54.312
1966	54.435
1967	54.584
1968	54.779
1969	55.005
1970	55.236
1971	55.535
1972	55.852
1973	56.127
1974	56.27
1975	56.239
1976	56.218
1977	56.006
1978	55.621
1979	55.099
1980	54.462
1981	53.764
1982	52.94
1983	52.048
1984	51.186
1985	50.427
1986	49.805
1987	49.363
1988	49.043
1989	48.758
1990	48.476
1991	48.461
1992	48.391
1993	48.332
1994	48.349
1995	48.453
1996	48.784
1997	49.111
1998	49.438
1999	49.745
2000	50.007
2001	50.254
2002	50.512
2003	50.764
2004	51.005
2005	51.245
2006	51.561
2007	51.888
2008	52.233
2009	52.594
2010	52.963
2011	53.472
2012	53.962
2013	54.535
2014	55.199
2015	55.861
2016	56.157
2017	56.486
2018	56.809
2019	57.082
2020	57.315
2021	57.76
2022	58.104
2023	58.429
2024	58.869
2025	59.489
2026	60.204
2027	61.052
2028	62.025
2029	63.078
2030	64.171
2031	65.257
2032	66.388
2033	67.487
2034	68.456
2035	69.235
2036	69.773
2037	70.105
2038	70.293
2039	70.412
2040	70.488
2041	70.48
2042	70.486
2043	70.439
2044	70.267
2045	69.968
2046	69.551
2047	69.036
2048	68.513
2049	68.085
2050	67.799
2051	67.539
2052	67.426
2053	67.458
2054	67.628
2055	67.938
2056	68.311
2057	68.838
2058	69.484
2059	70.17
2060	70.828
2061	71.363
2062	71.908
2063	72.431
2064	72.907
2065	73.343
2066	73.634
2067	73.879
2068	74.12
2069	74.404
2070	74.743
2071	74.96
2072	75.268
2073	75.597
2074	75.866
2075	76.05
2076	75.979
2077	75.833
2078	75.675
2079	75.579
2080	75.577
2081	75.405
2082	75.336
2083	75.373
2084	75.497
2085	75.695
2086	75.74
2087	75.908
2088	76.17
2089	76.495
2090	76.88
2091	77.116
2092	77.422
2093	77.796
2094	78.234
2095	78.726
2096	78.997
2097	79.322
2098	79.691
2099	80.094
2100	80.518