Year | Value | 2022 | 3,118 | 2021 | 3,115 | 2020 | 3,108 | 2019 | 3,110 | 2018 | 3,088 | 2017 | 3,024 | 2016 | 2,929 | 2015 | 2,813 | 2014 | 2,694 | 2013 | 2,603 | 2012 | 2,532 | 2011 | 2,454 | 2010 | 2,363 | 2009 | 2,252 | 2008 | 2,119 | 2007 | 1,998 | 2006 | 1,928 | 2005 | 1,875 | 2004 | 1,807 | 2003 | 1,729 | 2002 | 1,647 | 2001 | 1,540 | 2000 | 1,432 | 1999 | 1,355 | 1998 | 1,298 | 1997 | 1,243 | 1996 | 1,178 | 1995 | 1,116 | 1994 | 1,063 | 1993 | 1,015 | 1992 | 978 | 1991 | 951 | 1990 | 917 | 1989 | 891 | 1988 | 896 | 1987 | 923 | 1986 | 974 | 1985 | 1,046 | 1984 | 1,116 | 1983 | 1,156 | 1982 | 1,162 | 1981 | 1,163 | 1980 | 1,168 | 1979 | 1,181 | 1978 | 1,205 | 1977 | 1,236 | 1976 | 1,264 | 1975 | 1,280 | 1974 | 1,280 | 1973 | 1,264 | 1972 | 1,238 | 1971 | 1,210 | 1970 | 1,189 | 1969 | 1,189 | 1968 | 1,191 | 1967 | 1,162 | 1966 | 1,108 | 1965 | 1,049 | 1964 | 999 | 1963 | 982 | 1962 | 995 | 1961 | 1,011 | 1960 | 1,024 |
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