Year | Value | 2022 | 108,037 | 2021 | 108,425 | 2020 | 112,682 | 2019 | 115,139 | 2018 | 116,626 | 2017 | 116,533 | 2016 | 114,939 | 2015 | 112,406 | 2014 | 110,014 | 2013 | 107,263 | 2012 | 104,902 | 2011 | 103,176 | 2010 | 101,929 | 2009 | 101,190 | 2008 | 100,901 | 2007 | 100,737 | 2006 | 100,350 | 2005 | 99,457 | 2004 | 98,343 | 2003 | 96,882 | 2002 | 95,144 | 2001 | 93,836 | 2000 | 93,020 | 1999 | 93,764 | 1998 | 96,958 | 1997 | 101,700 | 1996 | 107,867 | 1995 | 115,011 | 1994 | 122,903 | 1993 | 129,108 | 1992 | 132,559 | 1991 | 133,188 | 1990 | 131,401 | 1989 | 128,575 | 1988 | 125,820 | 1987 | 123,758 | 1986 | 123,084 | 1985 | 124,201 | 1984 | 124,913 | 1983 | 122,983 | 1982 | 117,676 | 1981 | 108,427 | 1980 | 96,111 | 1979 | 84,335 | 1978 | 76,494 | 1977 | 73,735 | 1976 | 75,946 | 1975 | 81,277 | 1974 | 87,702 | 1973 | 93,519 | 1972 | 97,811 | 1971 | 100,294 | 1970 | 100,934 | 1969 | 100,068 | 1968 | 98,072 | 1967 | 95,313 | 1966 | 92,525 | 1965 | 90,429 | 1964 | 89,280 | 1963 | 88,844 | 1962 | 88,823 | 1961 | 88,643 | 1960 | 87,782 |
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