Year	Number
1950	89.014
1951	89.458
1952	89.27
1953	88.819
1954	88.201
1955	87.39
1956	87.487
1957	87.343
1958	86.944
1959	86.315
1960	85.529
1961	85.816
1962	85.797
1963	85.608
1964	85.377
1965	85.156
1966	85.981
1967	86.536
1968	86.919
1969	87.241
1970	87.56
1971	88.555
1972	89.495
1973	90.316
1974	90.866
1975	91.033
1976	91.521
1977	91.838
1978	92.138
1979	92.608
1980	93.343
1981	94.59
1982	95.527
1983	96.176
1984	96.524
1985	96.6
1986	97.329
1987	97.694
1988	97.838
1989	97.865
1990	97.799
1991	98.485
1992	98.904
1993	99.089
1994	99.063
1995	98.827
1996	99.164
1997	99.259
1998	99.15
1999	98.848
2000	98.371
2001	98.621
2002	98.519
2003	98.19
2004	97.73
2005	97.135
2006	96.449
2007	95.556
2008	94.412
2009	93
2010	91.364
2011	89.504
2012	87.569
2013	85.58
2014	83.568
2015	81.568
2016	79.834
2017	78.066
2018	76.33
2019	74.694
2020	73.182
2021	71.894
2022	70.675
2023	69.511
2024	68.372
2025	67.241
2026	66.193
2027	65.146
2028	64.102
2029	63.069
2030	62.048
2031	61.107
2032	60.163
2033	59.227
2034	58.312
2035	57.429
2036	56.619
2037	55.836
2038	55.077
2039	54.333
2040	53.606
2041	52.945
2042	52.293
2043	51.671
2044	51.101
2045	50.597
2046	50.185
2047	49.826
2048	49.511
2049	49.222
2050	48.952
2051	48.72
2052	48.503
2053	48.315
2054	48.176
2055	48.097
2056	48.077
2057	48.1
2058	48.17
2059	48.291
2060	48.464
2061	48.671
2062	48.92
2063	49.204
2064	49.513
2065	49.84
2066	50.16
2067	50.492
2068	50.831
2069	51.176
2070	51.526
2071	51.84
2072	52.149
2073	52.463
2074	52.794
2075	53.148
2076	53.47
2077	53.808
2078	54.165
2079	54.545
2080	54.952
2081	55.329
2082	55.726
2083	56.147
2084	56.592
2085	57.06
2086	57.488
2087	57.933
2088	58.397
2089	58.879
2090	59.378
2091	59.828
2092	60.296
2093	60.78
2094	61.274
2095	61.776
2096	62.219
2097	62.673
2098	63.138
2099	63.615
2100	64.106