Year	Number
1950	85.025
1951	86.019
1952	86.29
1953	86.67
1954	87.39
1955	88.418
1956	89.709
1957	91.283
1958	92.934
1959	94.469
1960	95.807
1961	96.848
1962	97.869
1963	98.633
1964	98.874
1965	98.496
1966	98.032
1967	96.793
1968	95.163
1969	93.665
1970	92.525
1971	90.401
1972	89.009
1973	87.939
1974	86.638
1975	84.871
1976	82.995
1977	80.661
1978	78.118
1979	75.84
1980	74.14
1981	72.961
1982	72.341
1983	72.2
1984	72.268
1985	72.327
1986	71.807
1987	71.171
1988	70.363
1989	69.487
1990	68.656
1991	67.853
1992	67.187
1993	66.573
1994	65.882
1995	65.05
1996	64.087
1997	62.968
1998	61.734
1999	60.447
2000	59.131
2001	58.231
2002	57.094
2003	55.724
2004	54.198
2005	52.653
2006	51.884
2007	50.88
2008	49.713
2009	48.513
2010	47.389
2011	46.17
2012	45.347
2013	44.754
2014	44.194
2015	43.596
2016	43.409
2017	43.079
2018	42.74
2019	42.58
2020	42.669
2021	42.863
2022	43.256
2023	43.777
2024	44.294
2025	44.738
2026	45.133
2027	45.463
2028	45.728
2029	45.952
2030	46.147
2031	46.306
2032	46.418
2033	46.489
2034	46.529
2035	46.549
2036	46.55
2037	46.537
2038	46.518
2039	46.499
2040	46.49
2041	46.488
2042	46.491
2043	46.549
2044	46.73
2045	47.076
2046	47.584
2047	48.242
2048	49.023
2049	49.876
2050	50.767
2051	51.705
2052	52.666
2053	53.655
2054	54.673
2055	55.718
2056	56.751
2057	57.785
2058	58.813
2059	59.823
2060	60.803
2061	61.681
2062	62.513
2063	63.302
2064	64.055
2065	64.775
2066	65.372
2067	65.943
2068	66.458
2069	66.875
2070	67.18
2071	67.285
2072	67.277
2073	67.222
2074	67.202
2075	67.263
2076	67.295
2077	67.427
2078	67.644
2079	67.914
2080	68.228
2081	68.524
2082	68.893
2083	69.329
2084	69.82
2085	70.351
2086	70.835
2087	71.378
2088	71.968
2089	72.583
2090	73.21
2091	73.736
2092	74.294
2093	74.873
2094	75.455
2095	76.023
2096	76.424
2097	76.846
2098	77.275
2099	77.692
2100	78.093