Year	Number
1950	78.063
1951	79.238
1952	79.741
1953	79.923
1954	80.014
1955	80.098
1956	81.237
1957	82.197
1958	82.957
1959	83.446
1960	83.634
1961	84.674
1962	85.291
1963	85.57
1964	85.622
1965	85.516
1966	86.33
1967	86.861
1968	87.163
1969	87.193
1970	86.88
1971	87.489
1972	87.479
1973	87.103
1974	86.999
1975	87.869
1976	88.271
1977	88.748
1978	89.332
1979	89.513
1980	88.699
1981	89.492
1982	90.087
1983	90.24
1984	90.087
1985	89.953
1986	90.722
1987	91.338
1988	91.918
1989	92.402
1990	92.634
1991	93.662
1992	94.325
1993	94.707
1994	95.086
1995	95.797
1996	96.919
1997	97.948
1998	98.964
1999	99.84
2000	100.427
2001	101.636
2002	102.273
2003	102.495
2004	102.542
2005	102.526
2006	102.7
2007	102.919
2008	103.023
2009	102.771
2010	102.084
2011	101.872
2012	101.09
2013	99.994
2014	98.947
2015	98.134
2016	97.552
2017	97.138
2018	96.79
2019	96.32
2020	95.651
2021	95.329
2022	94.699
2023	93.891
2024	93.07
2025	92.308
2026	91.773
2027	91.223
2028	90.626
2029	89.912
2030	89.059
2031	88.368
2032	87.512
2033	86.533
2034	85.488
2035	84.41
2036	83.498
2037	82.524
2038	81.501
2039	80.437
2040	79.343
2041	78.424
2042	77.45
2043	76.446
2044	75.436
2045	74.438
2046	73.611
2047	72.767
2048	71.916
2049	71.065
2050	70.219
2051	69.524
2052	68.809
2053	68.083
2054	67.357
2055	66.637
2056	66.04
2057	65.424
2058	64.801
2059	64.185
2060	63.584
2061	63.099
2062	62.606
2063	62.102
2064	61.585
2065	61.054
2066	60.596
2067	60.115
2068	59.623
2069	59.133
2070	58.656
2071	58.274
2072	57.884
2073	57.492
2074	57.097
2075	56.705
2076	56.384
2077	56.05
2078	55.714
2079	55.387
2080	55.078
2081	54.847
2082	54.616
2083	54.386
2084	54.158
2085	53.935
2086	53.779
2087	53.61
2088	53.436
2089	53.264
2090	53.098
2091	52.992
2092	52.878
2093	52.759
2094	52.638
2095	52.518
2096	52.453
2097	52.374
2098	52.287
2099	52.2
2100	52.119