Year Number
1950 99.621
1951 99.914
1952 100.461
1953 101.069
1954 101.72
1955 102.459
1956 102.737
1957 102.974
1958 103.332
1959 103.871
1960 104.519
1961 104.103
1962 103.992
1963 104.025
1964 103.97
1965 103.7
1966 102.778
1967 101.722
1968 100.618
1969 99.535
1970 98.46
1971 96.98
1972 95.392
1973 93.836
1974 92.482
1975 91.391
1976 89.719
1977 88.579
1978 87.771
1979 87.04
1980 86.287
1981 85.692
1982 84.941
1983 84.189
1984 83.63
1985 83.315
1986 83.257
1987 83.244
1988 83.243
1989 83.17
1990 82.965
1991 82.763
1992 82.45
1993 81.975
1994 81.298
1995 80.412
1996 79.484
1997 78.41
1998 77.203
1999 75.865
2000 74.408
2001 73.106
2002 71.594
2003 69.981
2004 68.417
2005 66.975
2006 65.581
2007 64.459
2008 63.483
2009 62.481
2010 61.392
2011 60.443
2012 59.348
2013 58.238
2014 57.304
2015 56.628
2016 56.044
2017 55.712
2018 55.54
2019 55.378
2020 55.151
2021 54.961
2022 54.69
2023 54.375
2024 54.08
2025 53.835
2026 53.562
2027 53.324
2028 53.099
2029 52.854
2030 52.573
2031 52.246
2032 51.904
2033 51.539
2034 51.15
2035 50.743
2036 50.33
2037 49.905
2038 49.496
2039 49.138
2040 48.854
2041 48.645
2042 48.503
2043 48.436
2044 48.448
2045 48.543
2046 48.725
2047 48.984
2048 49.311
2049 49.689
2050 50.109
2051 50.567
2052 51.06
2053 51.582
2054 52.126
2055 52.686
2056 53.229
2057 53.776
2058 54.333
2059 54.909
2060 55.507
2061 56.076
2062 56.668
2063 57.256
2064 57.806
2065 58.3
2066 58.679
2067 58.996
2068 59.28
2069 59.57
2070 59.891
2071 60.174
2072 60.483
2073 60.81
2074 61.14
2075 61.462
2076 61.726
2077 61.992
2078 62.268
2079 62.57
2080 62.906
2081 63.226
2082 63.591
2083 63.991
2084 64.412
2085 64.846
2086 65.247
2087 65.671
2088 66.118
2089 66.582
2090 67.053
2091 67.473
2092 67.917
2093 68.378
2094 68.846
2095 69.321
2096 69.726
2097 70.146
2098 70.582
2099 71.036
2100 71.505