Year | Value | 2022 | 2,560 | 2021 | 2,621 | 2020 | 2,633 | 2019 | 2,602 | 2018 | 2,535 | 2017 | 2,457 | 2016 | 2,394 | 2015 | 2,371 | 2014 | 2,399 | 2013 | 2,468 | 2012 | 2,562 | 2011 | 2,661 | 2010 | 2,736 | 2009 | 2,780 | 2008 | 2,752 | 2007 | 2,634 | 2006 | 2,474 | 2005 | 2,320 | 2004 | 2,281 | 2003 | 2,371 | 2002 | 2,497 | 2001 | 2,638 | 2000 | 2,801 | 1999 | 2,858 | 1998 | 2,783 | 1997 | 2,713 | 1996 | 2,701 | 1995 | 2,793 | 1994 | 3,091 | 1993 | 3,525 | 1992 | 3,867 | 1991 | 4,030 | 1990 | 3,970 | 1989 | 3,655 | 1988 | 3,366 | 1987 | 3,080 | 1986 | 2,891 | 1985 | 2,787 | 1984 | 2,737 | 1983 | 2,724 | 1982 | 2,743 | 1981 | 2,783 | 1980 | 2,897 | 1979 | 2,993 | 1978 | 3,186 | 1977 | 3,294 | 1976 | 3,615 | 1975 | 3,756 | 1974 | 3,772 | 1973 | 3,725 | 1972 | 3,544 | 1971 | 3,426 | 1970 | 3,145 | 1969 | 2,932 | 1968 | 2,550 | 1967 | 2,113 | 1966 | 1,887 | 1965 | 1,721 | 1964 | 1,606 | 1963 | 1,573 | 1962 | 1,385 | 1961 | 1,357 | 1960 | 1,153 |
|