Year | Value | 2022 | 2,246 | 2021 | 2,253 | 2020 | 2,249 | 2019 | 2,244 | 2018 | 2,218 | 2017 | 2,189 | 2016 | 2,181 | 2015 | 2,174 | 2014 | 2,155 | 2013 | 2,135 | 2012 | 2,098 | 2011 | 2,034 | 2010 | 1,944 | 2009 | 1,843 | 2008 | 1,769 | 2007 | 1,709 | 2006 | 1,617 | 2005 | 1,496 | 2004 | 1,365 | 2003 | 1,233 | 2002 | 1,111 | 2001 | 1,019 | 2000 | 967 | 1999 | 968 | 1998 | 996 | 1997 | 1,022 | 1996 | 1,043 | 1995 | 1,058 | 1994 | 1,078 | 1993 | 1,091 | 1992 | 1,068 | 1991 | 1,041 | 1990 | 1,028 | 1989 | 1,015 | 1988 | 999 | 1987 | 978 | 1986 | 953 | 1985 | 926 | 1984 | 899 | 1983 | 872 | 1982 | 851 | 1981 | 837 | 1980 | 824 | 1979 | 811 | 1978 | 796 | 1977 | 783 | 1976 | 773 | 1975 | 764 | 1974 | 755 | 1973 | 743 | 1972 | 732 | 1971 | 720 | 1970 | 705 | 1969 | 688 | 1968 | 671 | 1967 | 654 | 1966 | 638 | 1965 | 624 | 1964 | 609 | 1963 | 594 | 1962 | 578 | 1961 | 564 | 1960 | 549 |
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