Year | Value | 2022 | 11,191 | 2021 | 11,248 | 2020 | 11,362 | 2019 | 11,515 | 2018 | 11,566 | 2017 | 11,453 | 2016 | 11,329 | 2015 | 11,260 | 2014 | 11,296 | 2013 | 11,587 | 2012 | 12,003 | 2011 | 12,371 | 2010 | 12,742 | 2009 | 13,042 | 2008 | 13,246 | 2007 | 13,506 | 2006 | 13,697 | 2005 | 13,673 | 2004 | 13,519 | 2003 | 13,191 | 2002 | 12,808 | 2001 | 12,481 | 2000 | 12,063 | 1999 | 11,540 | 1998 | 11,009 | 1997 | 10,559 | 1996 | 10,178 | 1995 | 9,875 | 1994 | 9,740 | 1993 | 9,753 | 1992 | 9,817 | 1991 | 9,895 | 1990 | 10,008 | 1989 | 10,121 | 1988 | 10,259 | 1987 | 10,418 | 1986 | 10,527 | 1985 | 10,558 | 1984 | 10,501 | 1983 | 10,269 | 1982 | 9,869 | 1981 | 9,418 | 1980 | 8,944 | 1979 | 8,475 | 1978 | 8,034 | 1977 | 7,678 | 1976 | 7,386 | 1975 | 7,098 | 1974 | 6,818 | 1973 | 6,541 | 1972 | 6,254 | 1971 | 5,956 | 1970 | 5,656 | 1969 | 5,371 | 1968 | 5,126 | 1967 | 4,914 | 1966 | 4,734 | 1965 | 4,605 | 1964 | 4,513 | 1963 | 4,424 | 1962 | 4,359 | 1961 | 4,345 | 1960 | 4,344 |
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