Year | Value | 2022 | 65,487 | 2021 | 64,038 | 2020 | 62,399 | 2019 | 60,519 | 2018 | 58,371 | 2017 | 56,283 | 2016 | 54,451 | 2015 | 52,707 | 2014 | 51,041 | 2013 | 49,485 | 2012 | 47,752 | 2011 | 45,716 | 2010 | 43,593 | 2009 | 41,491 | 2008 | 39,459 | 2007 | 37,527 | 2006 | 35,759 | 2005 | 34,232 | 2004 | 33,019 | 2003 | 32,163 | 2002 | 31,632 | 2001 | 31,332 | 2000 | 31,193 | 1999 | 31,145 | 1998 | 31,117 | 1997 | 31,067 | 1996 | 30,943 | 1995 | 30,654 | 1994 | 30,089 | 1993 | 29,199 | 1992 | 28,105 | 1991 | 26,974 | 1990 | 26,218 | 1989 | 25,759 | 1988 | 25,197 | 1987 | 24,573 | 1986 | 23,937 | 1985 | 23,340 | 1984 | 22,841 | 1983 | 22,454 | 1982 | 22,175 | 1981 | 21,998 | 1980 | 21,905 | 1979 | 22,033 | 1978 | 21,141 | 1977 | 19,321 | 1976 | 18,061 | 1975 | 17,357 | 1974 | 17,151 | 1973 | 17,509 | 1972 | 18,131 | 1971 | 18,801 | 1970 | 19,156 | 1969 | 19,241 | 1968 | 19,097 | 1967 | 18,534 | 1966 | 18,192 | 1965 | 18,263 | 1964 | 18,569 | 1963 | 18,563 | 1962 | 18,143 | 1961 | 17,684 | 1960 | 17,459 |
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