Year | Value | 2022 | 1,809 | 2021 | 1,845 | 2020 | 1,858 | 2019 | 1,842 | 2018 | 1,833 | 2017 | 1,829 | 2016 | 1,823 | 2015 | 1,811 | 2014 | 1,792 | 2013 | 1,763 | 2012 | 1,723 | 2011 | 1,669 | 2010 | 1,601 | 2009 | 1,533 | 2008 | 1,470 | 2007 | 1,408 | 2006 | 1,345 | 2005 | 1,283 | 2004 | 1,225 | 2003 | 1,172 | 2002 | 1,124 | 2001 | 1,083 | 2000 | 1,047 | 1999 | 1,012 | 1998 | 975 | 1997 | 939 | 1996 | 906 | 1995 | 874 | 1994 | 845 | 1993 | 817 | 1992 | 789 | 1991 | 765 | 1990 | 744 | 1989 | 723 | 1988 | 703 | 1987 | 683 | 1986 | 663 | 1985 | 641 | 1984 | 616 | 1983 | 596 | 1982 | 577 | 1981 | 557 | 1980 | 540 | 1979 | 523 | 1978 | 506 | 1977 | 488 | 1976 | 472 | 1975 | 457 | 1974 | 442 | 1973 | 426 | 1972 | 411 | 1971 | 396 | 1970 | 382 | 1969 | 368 | 1968 | 352 | 1967 | 334 | 1966 | 317 | 1965 | 301 | 1964 | 291 | 1963 | 286 | 1962 | 285 | 1961 | 290 | 1960 | 295 |
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