Year | Value | 2022 | 37,773 | 2021 | 37,153 | 2020 | 36,390 | 2019 | 35,505 | 2018 | 34,574 | 2017 | 33,636 | 2016 | 32,706 | 2015 | 31,889 | 2014 | 31,032 | 2013 | 29,842 | 2012 | 28,221 | 2011 | 26,210 | 2010 | 24,091 | 2009 | 22,256 | 2008 | 20,787 | 2007 | 19,457 | 2006 | 18,297 | 2005 | 17,352 | 2004 | 16,474 | 2003 | 15,757 | 2002 | 15,359 | 2001 | 15,192 | 2000 | 15,072 | 1999 | 14,979 | 1998 | 14,862 | 1997 | 14,655 | 1996 | 14,259 | 1995 | 13,861 | 1994 | 13,568 | 1993 | 13,376 | 1992 | 13,507 | 1991 | 13,937 | 1990 | 14,503 | 1989 | 14,971 | 1988 | 15,160 | 1987 | 15,056 | 1986 | 14,654 | 1985 | 14,005 | 1984 | 13,213 | 1983 | 12,436 | 1982 | 11,862 | 1981 | 11,447 | 1980 | 11,177 | 1979 | 11,052 | 1978 | 11,004 | 1977 | 10,967 | 1976 | 10,802 | 1975 | 10,533 | 1974 | 10,187 | 1973 | 9,817 | 1972 | 9,454 | 1971 | 9,112 | 1970 | 8,792 | 1969 | 8,487 | 1968 | 8,208 | 1967 | 7,968 | 1966 | 7,755 | 1965 | 7,560 | 1964 | 7,400 | 1963 | 7,265 | 1962 | 7,034 | 1961 | 6,612 | 1960 | 6,258 |
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