Year	Number
1950	78.238
1951	79.123
1952	79.401
1953	79.48
1954	79.527
1955	79.529
1956	80.247
1957	80.932
1958	81.465
1959	81.734
1960	81.718
1961	82.758
1962	83.307
1963	83.551
1964	83.734
1965	83.962
1966	85.099
1967	86.104
1968	86.971
1969	87.65
1970	88.127
1971	89.327
1972	90.206
1973	90.813
1974	91.182
1975	91.284
1976	92.268
1977	93.092
1978	93.702
1979	93.954
1980	93.667
1981	94.755
1982	95.641
1983	96.342
1984	97.041
1985	98.023
1986	98.803
1987	99.154
1988	99.375
1989	99.876
1990	101.095
1991	101.008
1992	100.88
1993	100.882
1994	100.848
1995	100.476
1996	101.232
1997	101.977
1998	102.54
1999	102.925
2000	103.254
2001	102.933
2002	102.217
2003	101.291
2004	100.249
2005	99.078
2006	99.575
2007	100
2008	100.215
2009	100.06
2010	99.46
2011	97.667
2012	95.312
2013	92.603
2014	89.774
2015	86.954
2016	84.618
2017	82.457
2018	80.353
2019	78.16
2020	75.842
2021	73.881
2022	71.741
2023	69.568
2024	67.551
2025	65.766
2026	64.173
2027	62.775
2028	61.515
2029	60.295
2030	59.071
2031	57.978
2032	56.885
2033	55.806
2034	54.768
2035	53.785
2036	52.926
2037	52.085
2038	51.271
2039	50.487
2040	49.734
2041	49.057
2042	48.405
2043	47.772
2044	47.154
2045	46.547
2046	46.015
2047	45.489
2048	44.972
2049	44.472
2050	43.992
2051	43.583
2052	43.19
2053	42.822
2054	42.488
2055	42.195
2056	41.997
2057	41.826
2058	41.695
2059	41.619
2060	41.607
2061	41.703
2062	41.842
2063	42.024
2064	42.246
2065	42.507
2066	42.849
2067	43.206
2068	43.583
2069	43.987
2070	44.419
2071	44.918
2072	45.426
2073	45.93
2074	46.403
2075	46.835
2076	47.273
2077	47.65
2078	47.986
2079	48.311
2080	48.641
2081	49.037
2082	49.416
2083	49.779
2084	50.123
2085	50.45
2086	50.854
2087	51.222
2088	51.562
2089	51.887
2090	52.204
2091	52.635
2092	53.035
2093	53.413
2094	53.775
2095	54.126
2096	54.615
2097	55.072
2098	55.502
2099	55.905
2100	56.281