Year | Value | 2022 | 3,376 | 2021 | 3,319 | 2020 | 3,281 | 2019 | 3,243 | 2018 | 3,183 | 2017 | 3,138 | 2016 | 3,128 | 2015 | 3,107 | 2014 | 3,066 | 2013 | 3,044 | 2012 | 3,044 | 2011 | 3,053 | 2010 | 3,082 | 2009 | 3,121 | 2008 | 3,149 | 2007 | 3,162 | 2006 | 3,154 | 2005 | 3,146 | 2004 | 3,155 | 2003 | 3,142 | 2002 | 3,085 | 2001 | 2,997 | 2000 | 2,886 | 1999 | 2,770 | 1998 | 2,683 | 1997 | 2,617 | 1996 | 2,543 | 1995 | 2,451 | 1994 | 2,339 | 1993 | 2,214 | 1992 | 2,096 | 1991 | 1,992 | 1990 | 1,887 | 1989 | 1,765 | 1988 | 1,625 | 1987 | 1,476 | 1986 | 1,328 | 1985 | 1,186 | 1984 | 1,050 | 1983 | 952 | 1982 | 894 | 1981 | 844 | 1980 | 801 | 1979 | 767 | 1978 | 749 | 1977 | 746 | 1976 | 760 | 1975 | 795 | 1974 | 856 | 1973 | 932 | 1972 | 1,011 | 1971 | 1,086 | 1970 | 1,143 | 1969 | 1,173 | 1968 | 1,175 | 1967 | 1,160 | 1966 | 1,136 | 1965 | 1,107 | 1964 | 1,072 | 1963 | 1,048 | 1962 | 1,044 | 1961 | 1,054 | 1960 | 1,085 |
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