Year | Value | 2022 | 12,851 | 2021 | 12,342 | 2020 | 11,789 | 2019 | 11,294 | 2018 | 10,936 | 2017 | 10,616 | 2016 | 10,341 | 2015 | 10,136 | 2014 | 10,011 | 2013 | 9,943 | 2012 | 9,919 | 2011 | 9,841 | 2010 | 9,695 | 2009 | 9,568 | 2008 | 9,465 | 2007 | 9,384 | 2006 | 9,314 | 2005 | 9,273 | 2004 | 9,275 | 2003 | 9,303 | 2002 | 9,325 | 2001 | 9,305 | 2000 | 9,161 | 1999 | 8,897 | 1998 | 8,604 | 1997 | 8,304 | 1996 | 7,992 | 1995 | 7,656 | 1994 | 7,295 | 1993 | 6,936 | 1992 | 6,610 | 1991 | 6,336 | 1990 | 6,097 | 1989 | 6,032 | 1988 | 6,118 | 1987 | 6,176 | 1986 | 6,217 | 1985 | 6,268 | 1984 | 6,176 | 1983 | 5,941 | 1982 | 5,733 | 1981 | 5,582 | 1980 | 5,461 | 1979 | 5,316 | 1978 | 5,156 | 1977 | 4,995 | 1976 | 4,848 | 1975 | 4,724 | 1974 | 4,620 | 1973 | 4,525 | 1972 | 4,431 | 1971 | 4,324 | 1970 | 4,154 | 1969 | 3,896 | 1968 | 3,593 | 1967 | 3,275 | 1966 | 2,948 | 1965 | 2,620 | 1964 | 2,311 | 1963 | 2,068 | 1962 | 1,962 | 1961 | 2,080 | 1960 | 2,512 |
|