Year | Value | 2022 | 2,904 | 2021 | 2,772 | 2020 | 2,690 | 2019 | 2,757 | 2018 | 2,932 | 2017 | 3,110 | 2016 | 3,252 | 2015 | 3,322 | 2014 | 3,298 | 2013 | 3,191 | 2012 | 3,025 | 2011 | 2,830 | 2010 | 2,680 | 2009 | 2,690 | 2008 | 2,807 | 2007 | 2,897 | 2006 | 2,934 | 2005 | 2,903 | 2004 | 2,841 | 2003 | 2,774 | 2002 | 2,725 | 2001 | 2,722 | 2000 | 2,704 | 1999 | 2,687 | 1998 | 2,704 | 1997 | 2,706 | 1996 | 2,656 | 1995 | 2,514 | 1994 | 2,328 | 1993 | 2,156 | 1992 | 2,001 | 1991 | 1,899 | 1990 | 1,911 | 1989 | 2,059 | 1988 | 2,297 | 1987 | 2,560 | 1986 | 2,793 | 1985 | 2,962 | 1984 | 3,047 | 1983 | 3,061 | 1982 | 3,042 | 1981 | 3,054 | 1980 | 3,125 | 1979 | 3,202 | 1978 | 3,226 | 1977 | 3,190 | 1976 | 3,107 | 1975 | 3,002 | 1974 | 2,887 | 1973 | 2,775 | 1972 | 2,678 | 1971 | 2,644 | 1970 | 2,663 | 1969 | 2,679 | 1968 | 2,677 | 1967 | 2,638 | 1966 | 2,568 | 1965 | 2,478 | 1964 | 2,392 | 1963 | 2,321 | 1962 | 2,276 | 1961 | 2,251 | 1960 | 2,221 |
|