Year | Value | 2022 | 1,565 | 2021 | 1,522 | 2020 | 1,454 | 2019 | 1,363 | 2018 | 1,286 | 2017 | 1,226 | 2016 | 1,145 | 2015 | 1,037 | 2014 | 932 | 2013 | 829 | 2012 | 730 | 2011 | 663 | 2010 | 624 | 2009 | 611 | 2008 | 618 | 2007 | 651 | 2006 | 703 | 2005 | 763 | 2004 | 812 | 2003 | 833 | 2002 | 826 | 2001 | 799 | 2000 | 759 | 1999 | 735 | 1998 | 731 | 1997 | 727 | 1996 | 717 | 1995 | 703 | 1994 | 687 | 1993 | 663 | 1992 | 628 | 1991 | 601 | 1990 | 594 | 1989 | 588 | 1988 | 579 | 1987 | 566 | 1986 | 549 | 1985 | 531 | 1984 | 515 | 1983 | 501 | 1982 | 492 | 1981 | 484 | 1980 | 475 | 1979 | 464 | 1978 | 453 | 1977 | 443 | 1976 | 438 | 1975 | 436 | 1974 | 431 | 1973 | 422 | 1972 | 412 | 1971 | 403 | 1970 | 393 | 1969 | 383 | 1968 | 373 | 1967 | 365 | 1966 | 359 | 1965 | 353 | 1964 | 349 | 1963 | 344 | 1962 | 336 | 1961 | 325 | 1960 | 313 |
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