Year	Number
1950	54.847
1951	55.595
1952	56.746
1953	57.845
1954	58.685
1955	59.276
1956	60.423
1957	60.993
1958	61.253
1959	61.489
1960	61.822
1961	61.934
1962	62.37
1963	62.84
1964	62.932
1965	62.469
1966	61.992
1967	60.986
1968	59.669
1969	58.426
1970	57.489
1971	56.763
1972	56.34
1973	56.161
1974	56.103
1975	56.112
1976	56.618
1977	57.111
1978	57.548
1979	57.821
1980	57.84
1981	57.589
1982	57.018
1983	56.333
1984	55.803
1985	55.553
1986	55.499
1987	55.737
1988	56.009
1989	55.991
1990	55.536
1991	55.094
1992	54.223
1993	53.066
1994	51.819
1995	50.583
1996	49.593
1997	48.535
1998	47.422
1999	46.254
2000	45.043
2001	43.839
2002	42.721
2003	41.68
2004	40.711
2005	39.83
2006	39.253
2007	38.775
2008	38.41
2009	38.179
2010	38.099
2011	38.406
2012	38.757
2013	39.227
2014	39.899
2015	40.783
2016	41.817
2017	43.067
2018	44.458
2019	45.806
2020	47.017
2021	48.216
2022	49.251
2023	50.143
2024	50.954
2025	51.709
2026	52.389
2027	53.009
2028	53.547
2029	53.963
2030	54.249
2031	54.425
2032	54.489
2033	54.515
2034	54.609
2035	54.846
2036	55.224
2037	55.741
2038	56.405
2039	57.225
2040	58.208
2041	59.417
2042	60.791
2043	62.3
2044	63.868
2045	65.429
2046	67.024
2047	68.6
2048	70.153
2049	71.684
2050	73.193
2051	74.672
2052	76.102
2053	77.465
2054	78.738
2055	79.896
2056	80.874
2057	81.746
2058	82.456
2059	82.943
2060	83.179
2061	83.087
2062	82.758
2063	82.248
2064	81.635
2065	80.966
2066	80.148
2067	79.303
2068	78.484
2069	77.75
2070	77.133
2071	76.62
2072	76.293
2073	76.105
2074	75.988
2075	75.908
2076	75.9
2077	75.968
2078	76.115
2079	76.345
2080	76.644
2081	76.976
2082	77.398
2083	77.883
2084	78.389
2085	78.881
2086	79.282
2087	79.705
2088	80.117
2089	80.492
2090	80.823
2091	80.983
2092	81.108
2093	81.204
2094	81.284
2095	81.348
2096	81.165
2097	80.985
2098	80.823
2099	80.693
2100	80.602