Year	Number
1950	79.057
1951	80.278
1952	82.063
1953	83.583
1954	84.578
1955	85.196
1956	87.13
1957	88.122
1958	88.839
1959	89.881
1960	91.425
1961	93.593
1962	96.375
1963	99.267
1964	101.507
1965	102.731
1966	103.865
1967	103.826
1968	103.058
1969	102.187
1970	101.51
1971	101.562
1972	101.71
1973	101.836
1974	101.73
1975	101.314
1976	101.279
1977	100.881
1978	100.25
1979	99.552
1980	98.868
1981	98.486
1982	97.922
1983	97.193
1984	96.269
1985	95.132
1986	94.07
1987	92.766
1988	91.254
1989	89.554
1990	87.676
1991	85.807
1992	83.771
1993	81.558
1994	79.141
1995	76.517
1996	73.963
1997	71.209
1998	68.359
1999	65.554
2000	62.886
2001	60.106
2002	57.614
2003	55.378
2004	53.381
2005	51.666
2006	50.401
2007	49.488
2008	48.91
2009	48.645
2010	48.682
2011	49.234
2012	49.848
2013	50.601
2014	51.537
2015	52.618
2016	53.734
2017	54.821
2018	55.826
2019	56.664
2020	57.271
2021	57.29
2022	57.26
2023	57.074
2024	56.632
2025	55.931
2026	55.186
2027	54.193
2028	53.076
2029	52.018
2030	51.122
2031	50.334
2032	49.701
2033	49.218
2034	48.841
2035	48.554
2036	48.368
2037	48.288
2038	48.331
2039	48.522
2040	48.875
2041	49.352
2042	49.959
2043	50.699
2044	51.565
2045	52.542
2046	53.563
2047	54.67
2048	55.837
2049	57.025
2050	58.206
2051	59.285
2052	60.323
2053	61.308
2054	62.23
2055	63.073
2056	63.693
2057	64.238
2058	64.674
2059	64.957
2060	65.069
2061	64.887
2062	64.582
2063	64.179
2064	63.721
2065	63.246
2066	62.644
2067	62.046
2068	61.525
2069	61.178
2070	61.059
2071	61.032
2072	61.234
2073	61.663
2074	62.301
2075	63.128
2076	64.025
2077	65.134
2078	66.389
2079	67.678
2080	68.926
2081	69.988
2082	71.006
2083	71.979
2084	72.915
2085	73.812
2086	74.485
2087	75.127
2088	75.72
2089	76.255
2090	76.737
2091	76.952
2092	77.126
2093	77.275
2094	77.427
2095	77.601
2096	77.502
2097	77.43
2098	77.406
2099	77.451
2100	77.575