Year	Number
1950	77.606
1951	79.71
1952	81.571
1953	83.426
1954	85.36
1955	87.378
1956	90.389
1957	93.273
1958	95.992
1959	98.422
1960	100.464
1961	102.889
1962	104.908
1963	106.491
1964	107.618
1965	108.313
1966	109.523
1967	110.163
1968	110.413
1969	110.502
1970	110.559
1971	111.183
1972	111.687
1973	112.068
1974	112.282
1975	112.313
1976	112.851
1977	113.058
1978	113.041
1979	112.924
1980	112.766
1981	112.942
1982	112.985
1983	112.863
1984	112.508
1985	111.889
1986	111.535
1987	110.842
1988	109.842
1989	108.54
1990	106.932
1991	105.399
1992	103.432
1993	101.194
1994	98.881
1995	96.597
1996	95.01
1997	93.571
1998	92.163
1999	90.659
2000	89.06
2001	88.053
2002	86.924
2003	85.794
2004	84.812
2005	84.034
2006	83.652
2007	83.33
2008	83.086
2009	82.894
2010	82.715
2011	82.471
2012	82.196
2013	81.863
2014	81.428
2015	80.869
2016	80.26
2017	79.535
2018	78.693
2019	77.748
2020	76.719
2021	75.783
2022	74.76
2023	73.68
2024	72.584
2025	71.502
2026	70.562
2027	69.627
2028	68.708
2029	67.81
2030	66.939
2031	66.213
2032	65.497
2033	64.804
2034	64.149
2035	63.54
2036	63.054
2037	62.588
2038	62.147
2039	61.733
2040	61.348
2041	61.05
2042	60.762
2043	60.486
2044	60.225
2045	59.98
2046	59.798
2047	59.612
2048	59.424
2049	59.237
2050	59.051
2051	58.897
2052	58.739
2053	58.565
2054	58.357
2055	58.109
2056	57.854
2057	57.56
2058	57.243
2059	56.925
2060	56.62
2061	56.342
2062	56.067
2063	55.807
2064	55.575
2065	55.383
2066	55.237
2067	55.118
2068	55.026
2069	54.958
2070	54.916
2071	54.908
2072	54.915
2073	54.933
2074	54.96
2075	54.992
2076	55.034
2077	55.072
2078	55.111
2079	55.151
2080	55.195
2081	55.23
2082	55.268
2083	55.309
2084	55.353
2085	55.403
2086	55.444
2087	55.486
2088	55.536
2089	55.604
2090	55.696
2091	55.775
2092	55.873
2093	55.99
2094	56.129
2095	56.291
2096	56.437
2097	56.602
2098	56.79
2099	56.998
2100	57.228