Year	Number
1950	83.875
1951	84.802
1952	85.361
1953	85.506
1954	85.293
1955	84.824
1956	85.536
1957	85.912
1958	86.057
1959	86.018
1960	85.778
1961	86.523
1962	86.945
1963	87.147
1964	87.339
1965	87.757
1966	88.682
1967	89.408
1968	90.052
1969	90.57
1970	90.822
1971	91.964
1972	92.931
1973	93.67
1974	94.172
1975	94.459
1976	95.504
1977	96.226
1978	96.697
1979	97.032
1980	97.342
1981	97.99
1982	98.338
1983	98.474
1984	98.411
1985	98.119
1986	98.399
1987	98.41
1988	98.153
1989	97.627
1990	96.846
1991	96.986
1992	96.784
1993	96.305
1994	95.641
1995	94.849
1996	93.903
1997	92.854
1998	91.728
1999	90.549
2000	89.358
2001	88.523
2002	87.661
2003	86.799
2004	85.969
2005	85.198
2006	84.975
2007	84.683
2008	84.356
2009	84.013
2010	83.648
2011	83.508
2012	83.263
2013	82.908
2014	82.431
2015	81.831
2016	81.295
2017	80.648
2018	79.884
2019	79.002
2020	78.016
2021	77.179
2022	76.221
2023	75.188
2024	74.136
2025	73.104
2026	72.253
2027	71.402
2028	70.558
2029	69.718
2030	68.889
2031	68.247
2032	67.589
2033	66.932
2034	66.295
2035	65.69
2036	65.246
2037	64.801
2038	64.359
2039	63.921
2040	63.486
2041	63.17
2042	62.832
2043	62.477
2044	62.111
2045	61.739
2046	61.447
2047	61.131
2048	60.794
2049	60.441
2050	60.076
2051	59.78
2052	59.46
2053	59.118
2054	58.758
2055	58.385
2056	58.078
2057	57.747
2058	57.401
2059	57.05
2060	56.702
2061	56.422
2062	56.134
2063	55.848
2064	55.574
2065	55.322
2066	55.16
2067	54.999
2068	54.846
2069	54.706
2070	54.585
2071	54.536
2072	54.49
2073	54.444
2074	54.396
2075	54.343
2076	54.335
2077	54.308
2078	54.269
2079	54.227
2080	54.187
2081	54.179
2082	54.162
2083	54.141
2084	54.115
2085	54.086
2086	54.089
2087	54.077
2088	54.059
2089	54.046
2090	54.046
2091	54.074
2092	54.104
2093	54.139
2094	54.181
2095	54.232
2096	54.312
2097	54.392
2098	54.475
2099	54.567
2100	54.673