Year	Number
1950	78.434
1951	81.007
1952	83.006
1953	85.116
1954	87.323
1955	89.327
1956	90.778
1957	92.202
1958	93.815
1959	95.794
1960	98.154
1961	98.931
1962	100.394
1963	102.218
1964	103.778
1965	104.612
1966	104.736
1967	104.206
1968	103.215
1969	102.265
1970	101.642
1971	98.521
1972	96.558
1973	95.459
1974	94.615
1975	93.628
1976	93.03
1977	92.073
1978	90.83
1979	89.453
1980	87.849
1981	85.97
1982	84.101
1983	82.133
1984	79.877
1985	77.219
1986	74.628
1987	71.883
1988	69.259
1989	66.874
1990	64.677
1991	65.222
1992	65.262
1993	65.217
1994	65.434
1995	66.024
1996	64.89
1997	64.28
1998	64.475
1999	65.41
2000	66.77
2001	66.935
2002	67.65
2003	68.669
2004	69.588
2005	70.101
2006	68.637
2007	66.75
2008	64.774
2009	63.066
2010	61.681
2011	59.051
2012	56.903
2013	54.993
2014	53.062
2015	51.088
2016	50.004
2017	48.643
2018	47.359
2019	46.6
2020	46.527
2021	46.851
2022	47.761
2023	49.088
2024	50.488
2025	51.745
2026	52.87
2027	53.864
2028	54.715
2029	55.474
2030	56.161
2031	56.698
2032	57.128
2033	57.407
2034	57.489
2035	57.36
2036	57.097
2037	56.644
2038	56.037
2039	55.322
2040	54.531
2041	53.764
2042	52.931
2043	52.052
2044	51.148
2045	50.231
2046	49.455
2047	48.701
2048	47.948
2049	47.157
2050	46.31
2051	45.621
2052	44.881
2053	44.195
2054	43.695
2055	43.454
2056	43.63
2057	44.017
2058	44.597
2059	45.349
2060	46.25
2061	47.453
2062	48.786
2063	50.191
2064	51.583
2065	52.898
2066	54.221
2067	55.469
2068	56.554
2069	57.345
2070	57.762
2071	57.84
2072	57.552
2073	57.038
2074	56.499
2075	56.053
2076	55.733
2077	55.484
2078	55.302
2079	55.186
2080	55.143
2081	55.303
2082	55.526
2083	55.809
2084	56.145
2085	56.509
2086	57.108
2087	57.718
2088	58.308
2089	58.883
2090	59.404
2091	60.086
2092	60.714
2093	61.289
2094	61.799
2095	62.233
2096	62.748
2097	63.206
2098	63.604
2099	63.941
2100	64.226