Year | Value | 2022 | 100,971 | 2021 | 100,674 | 2020 | 98,904 | 2019 | 96,168 | 2018 | 92,322 | 2017 | 88,561 | 2016 | 85,142 | 2015 | 80,538 | 2014 | 75,143 | 2013 | 70,416 | 2012 | 67,155 | 2011 | 66,306 | 2010 | 68,386 | 2009 | 72,207 | 2008 | 76,912 | 2007 | 82,006 | 2006 | 86,511 | 2005 | 89,674 | 2004 | 91,360 | 2003 | 91,522 | 2002 | 90,433 | 2001 | 88,677 | 2000 | 86,828 | 1999 | 84,899 | 1998 | 82,835 | 1997 | 80,567 | 1996 | 77,289 | 1995 | 72,914 | 1994 | 68,382 | 1993 | 64,495 | 1992 | 61,354 | 1991 | 56,722 | 1990 | 50,637 | 1989 | 45,223 | 1988 | 40,471 | 1987 | 36,649 | 1986 | 34,064 | 1985 | 32,810 | 1984 | 32,820 | 1983 | 34,104 | 1982 | 36,348 | 1981 | 38,920 | 1980 | 41,406 | 1979 | 43,708 | 1978 | 45,758 | 1977 | 47,277 | 1976 | 48,074 | 1975 | 48,052 | 1974 | 47,239 | 1973 | 45,707 | 1972 | 43,717 | 1971 | 41,704 | 1970 | 39,957 | 1969 | 38,453 | 1968 | 37,094 | 1967 | 35,782 | 1966 | 34,217 | 1965 | 32,283 | 1964 | 30,076 | 1963 | 27,607 | 1962 | 25,056 | 1961 | 22,851 | 1960 | 21,181 |
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