Year | Value | 2024 | 552 | 2023 | 561 | 2022 | 565 | 2021 | 564 | 2020 | 565 | 2019 | 565 | 2018 | 562 | 2017 | 562 | 2016 | 570 | 2015 | 580 | 2014 | 590 | 2013 | 603 | 2012 | 616 | 2011 | 632 | 2010 | 653 | 2009 | 676 | 2008 | 699 | 2007 | 723 | 2006 | 747 | 2005 | 775 | 2004 | 806 | 2003 | 841 | 2002 | 880 | 2001 | 922 | 2000 | 945 | 1999 | 919 | 1998 | 861 | 1997 | 803 | 1996 | 747 | 1995 | 701 | 1994 | 672 | 1993 | 652 | 1992 | 630 | 1991 | 606 | 1990 | 580 | 1989 | 558 | 1988 | 537 | 1987 | 514 | 1986 | 488 | 1985 | 462 | 1984 | 432 | 1983 | 401 | 1982 | 370 | 1981 | 340 | 1980 | 317 | 1979 | 306 | 1978 | 299 | 1977 | 297 | 1976 | 292 | 1975 | 280 |
|