Year	Number
1950	87.553
1951	87.715
1952	88.062
1953	88.383
1954	88.646
1955	88.915
1956	90.09
1957	90.922
1958	91.617
1959	92.341
1960	93.131
1961	94.113
1962	95.063
1963	95.873
1964	96.352
1965	96.409
1966	96.958
1967	96.985
1968	96.64
1969	96.114
1970	95.495
1971	94.994
1972	94.472
1973	93.915
1974	93.261
1975	92.475
1976	91.961
1977	91.387
1978	90.793
1979	90.191
1980	89.549
1981	88.862
1982	88.13
1983	87.386
1984	86.654
1985	85.923
1986	84.444
1987	83.084
1988	81.807
1989	80.578
1990	79.4
1991	77.959
1992	76.634
1993	75.469
1994	74.492
1995	73.686
1996	73.113
1997	72.602
1998	72.147
1999	71.718
2000	71.268
2001	70.685
2002	70.054
2003	69.346
2004	68.538
2005	67.62
2006	66.258
2007	64.946
2008	63.641
2009	62.304
2010	60.932
2011	59.474
2012	57.972
2013	56.533
2014	55.296
2015	54.322
2016	53.379
2017	52.7
2018	52.237
2019	51.891
2020	51.599
2021	51.311
2022	51.043
2023	50.826
2024	50.702
2025	50.676
2026	50.537
2027	50.499
2028	50.524
2029	50.556
2030	50.562
2031	50.445
2032	50.319
2033	50.194
2034	50.096
2035	50.038
2036	49.937
2037	49.885
2038	49.884
2039	49.936
2040	50.039
2041	50.098
2042	50.227
2043	50.423
2044	50.673
2045	50.967
2046	51.189
2047	51.476
2048	51.839
2049	52.296
2050	52.857
2051	53.385
2052	54.02
2053	54.781
2054	55.69
2055	56.755
2056	57.801
2057	59.011
2058	60.364
2059	61.824
2060	63.362
2061	64.771
2062	66.268
2063	67.816
2064	69.353
2065	70.83
2066	71.988
2067	73.083
2068	74.133
2069	75.168
2070	76.206
2071	76.938
2072	77.689
2073	78.459
2074	79.248
2075	80.058
2076	80.551
2077	81.083
2078	81.682
2079	82.378
2080	83.185
2081	83.723
2082	84.394
2083	85.185
2084	86.053
2085	86.956
2086	87.532
2087	88.189
2088	88.91
2089	89.656
2090	90.402
2091	90.809
2092	91.271
2093	91.767
2094	92.278
2095	92.794
2096	92.999
2097	93.236
2098	93.503
2099	93.813
2100	94.177