Year | Value | 2022 | 63,280 | 2021 | 61,650 | 2020 | 61,148 | 2019 | 59,794 | 2018 | 57,094 | 2017 | 54,647 | 2016 | 52,515 | 2015 | 50,592 | 2014 | 48,823 | 2013 | 46,929 | 2012 | 44,692 | 2011 | 42,791 | 2010 | 41,584 | 2009 | 40,724 | 2008 | 39,910 | 2007 | 40,011 | 2006 | 41,356 | 2005 | 42,043 | 2004 | 41,781 | 2003 | 41,603 | 2002 | 41,330 | 2001 | 40,930 | 2000 | 40,488 | 1999 | 39,944 | 1998 | 39,350 | 1997 | 38,666 | 1996 | 37,917 | 1995 | 37,141 | 1994 | 36,329 | 1993 | 35,018 | 1992 | 33,741 | 1991 | 33,166 | 1990 | 33,392 | 1989 | 33,576 | 1988 | 33,126 | 1987 | 32,493 | 1986 | 31,502 | 1985 | 30,569 | 1984 | 29,630 | 1983 | 28,436 | 1982 | 27,229 | 1981 | 26,040 | 1980 | 24,780 | 1979 | 23,421 | 1978 | 22,046 | 1977 | 20,683 | 1976 | 19,321 | 1975 | 17,966 | 1974 | 16,605 | 1973 | 15,182 | 1972 | 13,753 | 1971 | 12,475 | 1970 | 11,436 | 1969 | 10,650 | 1968 | 10,152 | 1967 | 9,907 | 1966 | 9,753 | 1965 | 9,594 | 1964 | 9,435 | 1963 | 9,262 | 1962 | 9,048 | 1961 | 8,842 | 1960 | 8,671 |
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