Year	Number
1950	83.902
1951	85.053
1952	86.569
1953	87.684
1954	88.126
1955	87.972
1956	89.201
1957	89.393
1958	89.055
1959	88.658
1960	88.378
1961	88.693
1962	89.107
1963	89.466
1964	89.465
1965	88.979
1966	89.123
1967	88.737
1968	88.008
1969	87.19
1970	86.409
1971	86.367
1972	86.201
1973	85.966
1974	85.678
1975	85.341
1976	85.6
1977	85.775
1978	85.862
1979	85.829
1980	85.648
1981	85.942
1982	86.017
1983	85.935
1984	85.757
1985	85.496
1986	85.439
1987	85.261
1988	84.98
1989	84.606
1990	84.145
1991	83.664
1992	83.078
1993	82.401
1994	81.642
1995	80.814
1996	80.112
1997	79.312
1998	78.449
1999	77.548
2000	76.617
2001	75.868
2002	75.034
2003	74.163
2004	73.303
2005	72.469
2006	71.69
2007	70.936
2008	70.173
2009	69.353
2010	68.456
2011	67.547
2012	66.55
2013	65.524
2014	64.556
2015	63.695
2016	62.896
2017	62.201
2018	61.577
2019	60.971
2020	60.359
2021	59.843
2022	59.281
2023	58.714
2024	58.19
2025	57.73
2026	57.307
2027	56.933
2028	56.591
2029	56.25
2030	55.898
2031	55.563
2032	55.215
2033	54.866
2034	54.531
2035	54.222
2036	53.952
2037	53.7
2038	53.471
2039	53.273
2040	53.116
2041	53.006
2042	52.927
2043	52.882
2044	52.872
2045	52.893
2046	52.935
2047	53.005
2048	53.1
2049	53.215
2050	53.349
2051	53.481
2052	53.626
2053	53.79
2054	53.98
2055	54.202
2056	54.407
2057	54.637
2058	54.895
2059	55.182
2060	55.501
2061	55.797
2062	56.116
2063	56.456
2064	56.816
2065	57.196
2066	57.518
2067	57.857
2068	58.212
2069	58.578
2070	58.954
2071	59.261
2072	59.578
2073	59.904
2074	60.239
2075	60.581
2076	60.842
2077	61.112
2078	61.401
2079	61.721
2080	62.081
2081	62.375
2082	62.711
2083	63.087
2084	63.496
2085	63.935
2086	64.283
2087	64.664
2088	65.079
2089	65.525
2090	66.002
2091	66.364
2092	66.759
2093	67.188
2094	67.646
2095	68.133
2096	68.49
2097	68.881
2098	69.307
2099	69.765
2100	70.255
