Year | Value | 2022 | 43,254 | 2021 | 42,580 | 2020 | 41,557 | 2019 | 40,211 | 2018 | 38,686 | 2017 | 37,087 | 2016 | 35,433 | 2015 | 33,771 | 2014 | 32,162 | 2013 | 30,660 | 2012 | 29,310 | 2011 | 28,144 | 2010 | 27,158 | 2009 | 26,319 | 2008 | 25,601 | 2007 | 24,972 | 2006 | 24,411 | 2005 | 23,908 | 2004 | 23,438 | 2003 | 22,985 | 2002 | 22,675 | 2001 | 22,528 | 2000 | 22,368 | 1999 | 22,137 | 1998 | 21,828 | 1997 | 21,328 | 1996 | 20,596 | 1995 | 19,729 | 1994 | 18,796 | 1993 | 17,832 | 1992 | 16,888 | 1991 | 16,005 | 1990 | 15,166 | 1989 | 13,910 | 1988 | 12,732 | 1987 | 12,156 | 1986 | 11,737 | 1985 | 11,446 | 1984 | 11,298 | 1983 | 11,280 | 1982 | 11,343 | 1981 | 11,536 | 1980 | 11,773 | 1979 | 11,843 | 1978 | 11,880 | 1977 | 11,842 | 1976 | 11,672 | 1975 | 11,506 | 1974 | 11,320 | 1973 | 11,135 | 1972 | 10,952 | 1971 | 10,769 | 1970 | 10,587 | 1969 | 10,407 | 1968 | 10,242 | 1967 | 10,090 | 1966 | 9,942 | 1965 | 9,796 | 1964 | 9,656 | 1963 | 9,523 | 1962 | 9,405 | 1961 | 9,315 | 1960 | 9,259 |
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