Year	Number
1950	74.255
1951	76.561
1952	78.475
1953	80.063
1954	81.463
1955	82.764
1956	84.279
1957	85.353
1958	86.253
1959	87.129
1960	88.03
1961	89.824
1962	91.986
1963	94.09
1964	95.715
1965	96.658
1966	94.665
1967	92.852
1968	91.056
1969	89.215
1970	87.307
1971	88.766
1972	89.515
1973	89.434
1974	88.576
1975	86.955
1976	82.076
1977	77.146
1978	72.067
1979	67.052
1980	62.521
1981	60.56
1982	58.937
1983	57.794
1984	57.172
1985	56.961
1986	55.644
1987	54.546
1988	53.512
1989	52.549
1990	51.749
1991	52.181
1992	52.736
1993	53.126
1994	53.289
1995	53.361
1996	52.79
1997	52.767
1998	53.172
1999	53.717
2000	54.134
2001	54.416
2002	54.24
2003	53.764
2004	53.261
2005	52.92
2006	52.527
2007	52.37
2008	52.414
2009	52.645
2010	53.061
2011	53.128
2012	53.645
2013	54.512
2014	55.622
2015	56.953
2016	57.829
2017	58.713
2018	59.678
2019	60.81
2020	62.151
2021	63.575
2022	65.106
2023	66.839
2024	68.886
2025	71.291
2026	73.794
2027	76.711
2028	79.911
2029	83.148
2030	86.248
2031	89.035
2032	91.639
2033	93.995
2034	96.099
2035	97.955
2036	99.179
2037	100.066
2038	100.62
2039	100.781
2040	100.48
2041	99.309
2042	97.797
2043	96.019
2044	94.088
2045	92.129
2046	89.835
2047	87.593
2048	85.523
2049	83.798
2050	82.519
2051	81.356
2052	80.664
2053	80.384
2054	80.35
2055	80.409
2056	80.303
2057	80.394
2058	80.609
2059	80.889
2060	81.229
2061	81.417
2062	81.662
2063	82.013
2064	82.548
2065	83.306
2066	83.99
2067	84.89
2068	85.926
2069	86.97
2070	87.945
2071	88.528
2072	89.013
2073	89.425
2074	89.839
2075	90.301
2076	90.329
2077	90.345
2078	90.469
2079	90.75
2080	91.139
2081	91.212
2082	91.53
2083	91.959
2084	92.392
2085	92.85
2086	93.047
2087	93.316
2088	93.675
2089	94.162
2090	94.79
2091	95.072
2092	95.457
2093	95.965
2094	96.597
2095	97.32
2096	97.565
2097	97.975
2098	98.51
2099	99.044
2100	99.484