Year Number
1950 101.606
1951 101.248
1952 100.955
1953 100.345
1954 99.334
1955 98.012
1956 98.603
1957 98.475
1958 97.982
1959 97.501
1960 97.207
1961 98.03
1962 98.798
1963 99.429
1964 99.711
1965 99.537
1966 100.503
1967 100.749
1968 100.483
1969 99.975
1970 99.359
1971 99.573
1972 99.712
1973 99.705
1974 99.433
1975 98.836
1976 98.812
1977 98.63
1978 98.354
1979 98.053
1980 97.693
1981 98.956
1982 99.559
1983 99.724
1984 99.649
1985 99.406
1986 99.47
1987 99.639
1988 99.862
1989 100.025
1990 100.024
1991 100.624
1992 100.609
1993 100.25
1994 99.827
1995 99.46
1996 99.824
1997 100.226
1998 100.701
1999 101.201
2000 101.644
2001 103.04
2002 104.082
2003 104.921
2004 105.684
2005 106.392
2006 107.546
2007 108.507
2008 109.304
2009 109.949
2010 110.449
2011 111.264
2012 111.856
2013 112.31
2014 112.683
2015 112.973
2016 113.332
2017 113.549
2018 113.651
2019 113.659
2020 113.572
2021 113.546
2022 113.379
2023 113.104
2024 112.747
2025 112.309
2026 111.95
2027 111.472
2028 110.876
2029 110.154
2030 109.301
2031 108.449
2032 107.472
2033 106.413
2034 105.312
2035 104.184
2036 103.142
2037 102.049
2038 100.922
2039 99.774
2040 98.608
2041 97.531
2042 96.413
2043 95.263
2044 94.083
2045 92.872
2046 91.716
2047 90.522
2048 89.305
2049 88.075
2050 86.834
2051 85.667
2052 84.477
2053 83.276
2054 82.078
2055 80.888
2056 79.766
2057 78.646
2058 77.536
2059 76.441
2060 75.366
2061 74.371
2062 73.384
2063 72.41
2064 71.457
2065 70.528
2066 69.674
2067 68.829
2068 68.002
2069 67.197
2070 66.418
2071 65.703
2072 65.001
2073 64.316
2074 63.652
2075 63.011
2076 62.424
2077 61.848
2078 61.287
2079 60.746
2080 60.226
2081 59.749
2082 59.282
2083 58.828
2084 58.396
2085 57.989
2086 57.615
2087 57.259
2088 56.92
2089 56.6
2090 56.297
2091 56.029
2092 55.766
2093 55.515
2094 55.285
2095 55.082
2096 54.896
2097 54.728
2098 54.579
2099 54.451
2100 54.34