| Year | Value | | 2022 | 130,110 | | 2021 | 131,286 | | 2020 | 132,318 | | 2019 | 131,238 | | 2018 | 128,108 | | 2017 | 122,413 | | 2016 | 113,803 | | 2015 | 105,190 | | 2014 | 98,597 | | 2013 | 93,372 | | 2012 | 89,679 | | 2011 | 87,227 | | 2010 | 85,158 | | 2009 | 82,701 | | 2008 | 80,625 | | 2007 | 79,836 | | 2006 | 80,394 | | 2005 | 81,670 | | 2004 | 83,261 | | 2003 | 85,192 | | 2002 | 86,862 | | 2001 | 88,266 | | 2000 | 89,890 | | 1999 | 91,949 | | 1998 | 94,674 | | 1997 | 97,714 | | 1996 | 100,674 | | 1995 | 104,159 | | 1994 | 106,106 | | 1993 | 105,837 | | 1992 | 105,630 | | 1991 | 104,661 | | 1990 | 102,185 | | 1989 | 100,701 | | 1988 | 100,380 | | 1987 | 99,364 | | 1986 | 98,512 | | 1985 | 97,817 | | 1984 | 97,181 | | 1983 | 96,239 | | 1982 | 94,690 | | 1981 | 93,123 | | 1980 | 91,759 | | 1979 | 90,272 | | 1978 | 88,981 | | 1977 | 88,019 | | 1976 | 87,030 | | 1975 | 86,081 | | 1974 | 84,994 | | 1973 | 83,759 | | 1972 | 82,381 | | 1971 | 80,854 | | 1970 | 79,198 | | 1969 | 77,295 | | 1968 | 75,267 | | 1967 | 72,978 | | 1966 | 70,101 | | 1965 | 67,379 | | 1964 | 65,249 | | 1963 | 63,295 | | 1962 | 61,782 | | 1961 | 60,397 | | 1960 | 58,833 |
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