Year	Number
1950	90.363
1951	90.35
1952	89.843
1953	89.145
1954	88.39
1955	87.591
1956	87.599
1957	87.505
1958	87.258
1959	86.823
1960	86.216
1961	86.617
1962	86.641
1963	86.439
1964	86.192
1965	85.99
1966	86.64
1967	87.145
1968	87.521
1969	87.735
1970	87.765
1971	88.539
1972	89.03
1973	89.291
1974	89.385
1975	89.356
1976	89.981
1977	90.351
1978	90.527
1979	90.557
1980	90.458
1981	91.075
1982	91.527
1983	91.837
1984	92.032
1985	92.152
1986	92.948
1987	93.464
1988	93.811
1989	94.122
1990	94.492
1991	95.362
1992	96.098
1993	96.707
1994	97.091
1995	97.133
1996	97.829
1997	98.191
1998	98.248
1999	98.123
2000	97.939
2001	98.286
2002	98.456
2003	98.491
2004	98.387
2005	98.149
2006	98.439
2007	98.436
2008	98.236
2009	97.939
2010	97.582
2011	97.548
2012	97.372
2013	97.052
2014	96.565
2015	95.913
2016	95.464
2017	94.823
2018	94.027
2019	93.122
2020	92.137
2021	91.403
2022	90.535
2023	89.574
2024	88.557
2025	87.509
2026	86.681
2027	85.789
2028	84.846
2029	83.862
2030	82.847
2031	82.028
2032	81.142
2033	80.21
2034	79.254
2035	78.286
2036	77.473
2037	76.622
2038	75.741
2039	74.838
2040	73.918
2041	73.119
2042	72.286
2043	71.431
2044	70.569
2045	69.711
2046	68.96
2047	68.194
2048	67.424
2049	66.658
2050	65.904
2051	65.244
2052	64.584
2053	63.929
2054	63.282
2055	62.647
2056	62.101
2057	61.551
2058	61.005
2059	60.471
2060	59.953
2061	59.5
2062	59.053
2063	58.617
2064	58.197
2065	57.796
2066	57.462
2067	57.133
2068	56.813
2069	56.51
2070	56.228
2071	55.993
2072	55.77
2073	55.558
2074	55.356
2075	55.165
2076	55.011
2077	54.856
2078	54.705
2079	54.565
2080	54.444
2081	54.35
2082	54.263
2083	54.186
2084	54.118
2085	54.06
2086	54.023
2087	53.988
2088	53.959
2089	53.943
2090	53.946
2091	53.968
2092	54
2093	54.044
2094	54.102
2095	54.176
2096	54.261
2097	54.353
2098	54.456
2099	54.573
2100	54.706