Year	Number
1950	92.761
1951	92.997
1952	93.384
1953	93.996
1954	94.588
1955	94.953
1956	95.644
1957	95.97
1958	96.07
1959	96.174
1960	96.392
1961	96.647
1962	97.054
1963	97.346
1964	97.088
1965	96.058
1966	95.256
1967	93.453
1968	91.095
1969	88.692
1970	86.402
1971	83.191
1972	80.68
1973	78.533
1974	76.269
1975	73.714
1976	70.706
1977	68.034
1978	66.104
1979	65.066
1980	64.622
1981	63.069
1982	61.458
1983	59.793
1984	58.115
1985	56.497
1986	55.226
1987	53.927
1988	52.682
1989	51.622
1990	50.818
1991	49.953
1992	49.503
1993	49.292
1994	49.03
1995	48.556
1996	48.698
1997	48.314
1998	47.672
1999	47.131
2000	46.838
2001	46.273
2002	46.171
2003	46.258
2004	46.126
2005	45.593
2006	45.167
2007	44.331
2008	43.321
2009	42.487
2010	41.989
2011	41.386
2012	41.061
2013	40.92
2014	40.796
2015	40.618
2016	40.55
2017	40.476
2018	40.429
2019	40.478
2020	40.661
2021	41.053
2022	41.508
2023	42.065
2024	42.765
2025	43.618
2026	44.586
2027	45.708
2028	46.908
2029	48.063
2030	49.096
2031	50.023
2032	50.82
2033	51.506
2034	52.13
2035	52.724
2036	53.237
2037	53.68
2038	54.109
2039	54.607
2040	55.216
2041	55.915
2042	56.741
2043	57.61
2044	58.393
2045	59.017
2046	59.508
2047	59.863
2048	60.138
2049	60.423
2050	60.774
2051	61.2
2052	61.671
2053	62.234
2054	62.934
2055	63.791
2056	64.815
2057	66.03
2058	67.364
2059	68.705
2060	69.986
2061	71.2
2062	72.343
2063	73.448
2064	74.576
2065	75.763
2066	76.893
2067	78.052
2068	79.211
2069	80.287
2070	81.202
2071	81.836
2072	82.36
2073	82.747
2074	82.999
2075	83.153
2076	83.107
2077	82.971
2078	82.796
2079	82.646
2080	82.542
2081	82.298
2082	82.121
2083	82.02
2084	81.978
2085	81.974
2086	81.853
2087	81.833
2088	81.88
2089	81.968
2090	82.107
2091	82.171
2092	82.299
2093	82.503
2094	82.772
2095	83.075
2096	83.213
2097	83.431
2098	83.697
2099	83.956
2100	84.187