Year	Number
1950	74.612
1951	75.398
1952	75.874
1953	76.052
1954	76.011
1955	75.819
1956	76.619
1957	77.122
1958	77.394
1959	77.496
1960	77.466
1961	78.625
1962	79.474
1963	80.094
1964	80.585
1965	81.002
1966	82.252
1967	83.346
1968	84.269
1969	84.966
1970	85.411
1971	86.788
1972	87.754
1973	88.419
1974	88.95
1975	89.438
1976	90.873
1977	92.214
1978	93.416
1979	94.403
1980	95.153
1981	96.734
1982	97.887
1983	98.731
1984	99.4
1985	99.934
1986	100.954
1987	101.675
1988	102.12
1989	102.284
1990	102.168
1991	102.409
1992	102.343
1993	102.004
1994	101.43
1995	100.666
1996	100.565
1997	100.173
1998	99.584
1999	98.896
2000	98.156
2001	98.073
2002	97.797
2003	97.378
2004	96.869
2005	96.316
2006	96.37
2007	96.28
2008	96.071
2009	95.729
2010	95.232
2011	95.018
2012	94.544
2013	93.869
2014	93.068
2015	92.18
2016	91.397
2017	90.557
2018	89.63
2019	88.579
2020	87.408
2021	86.49
2022	85.422
2023	84.267
2024	83.111
2025	82
2026	81.138
2027	80.277
2028	79.415
2029	78.543
2030	77.658
2031	76.975
2032	76.249
2033	75.49
2034	74.708
2035	73.911
2036	73.267
2037	72.575
2038	71.851
2039	71.108
2040	70.356
2041	69.736
2042	69.083
2043	68.403
2044	67.701
2045	66.984
2046	66.384
2047	65.751
2048	65.092
2049	64.417
2050	63.736
2051	63.159
2052	62.563
2053	61.956
2054	61.347
2055	60.742
2056	60.25
2057	59.743
2058	59.233
2059	58.73
2060	58.241
2061	57.855
2062	57.464
2063	57.077
2064	56.697
2065	56.331
2066	56.061
2067	55.782
2068	55.503
2069	55.234
2070	54.98
2071	54.81
2072	54.64
2073	54.466
2074	54.282
2075	54.087
2076	53.958
2077	53.8
2078	53.624
2079	53.447
2080	53.278
2081	53.17
2082	53.059
2083	52.945
2084	52.828
2085	52.709
2086	52.656
2087	52.585
2088	52.506
2089	52.434
2090	52.377
2091	52.387
2092	52.397
2093	52.41
2094	52.427
2095	52.451
2096	52.533
2097	52.606
2098	52.677
2099	52.751
2100	52.833