Year | Value | 2024 | 434 | 2023 | 461 | 2022 | 494 | 2021 | 525 | 2020 | 548 | 2019 | 554 | 2018 | 548 | 2017 | 536 | 2016 | 526 | 2015 | 530 | 2014 | 551 | 2013 | 580 | 2012 | 600 | 2011 | 601 | 2010 | 590 | 2009 | 579 | 2008 | 579 | 2007 | 590 | 2006 | 610 | 2005 | 636 | 2004 | 663 | 2003 | 690 | 2002 | 719 | 2001 | 754 | 2000 | 795 | 1999 | 827 | 1998 | 841 | 1997 | 843 | 1996 | 834 | 1995 | 809 | 1994 | 762 | 1993 | 710 | 1992 | 667 | 1991 | 633 | 1990 | 607 | 1989 | 594 | 1988 | 585 | 1987 | 568 | 1986 | 544 | 1985 | 516 | 1984 | 487 | 1983 | 463 | 1982 | 444 | 1981 | 427 | 1980 | 421 | 1979 | 417 | 1978 | 402 | 1977 | 380 | 1976 | 358 | 1975 | 344 |
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