Year | Value | 2022 | 33,201 | 2021 | 31,669 | 2020 | 30,070 | 2019 | 28,390 | 2018 | 26,680 | 2017 | 24,986 | 2016 | 23,329 | 2015 | 21,741 | 2014 | 20,250 | 2013 | 18,872 | 2012 | 17,617 | 2011 | 16,495 | 2010 | 15,506 | 2009 | 14,572 | 2008 | 13,842 | 2007 | 13,516 | 2006 | 13,496 | 2005 | 13,662 | 2004 | 14,014 | 2003 | 14,325 | 2002 | 14,348 | 2001 | 14,151 | 2000 | 13,843 | 1999 | 13,496 | 1998 | 13,143 | 1997 | 12,819 | 1996 | 12,543 | 1995 | 12,310 | 1994 | 12,111 | 1993 | 11,948 | 1992 | 11,817 | 1991 | 11,687 | 1990 | 11,530 | 1989 | 11,348 | 1988 | 11,132 | 1987 | 10,884 | 1986 | 10,629 | 1985 | 10,380 | 1984 | 10,135 | 1983 | 9,975 | 1982 | 9,876 | 1981 | 9,719 | 1980 | 9,494 | 1979 | 9,202 | 1978 | 8,841 | 1977 | 8,436 | 1976 | 8,056 | 1975 | 7,742 | 1974 | 7,489 | 1973 | 7,267 | 1972 | 7,072 | 1971 | 6,892 | 1970 | 6,705 | 1969 | 6,518 | 1968 | 6,329 | 1967 | 6,139 | 1966 | 5,959 | 1965 | 5,794 | 1964 | 5,639 | 1963 | 5,490 | 1962 | 5,348 | 1961 | 5,211 | 1960 | 5,078 |
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