| Year | Value | | 2024 | 3,282 | | 2023 | 2,826 | | 2022 | 2,522 | | 2021 | 2,163 | | 2020 | 2,423 | | 2019 | 2,425 | | 2018 | 2,338 | | 2017 | 2,137 | | 2016 | 2,032 | | 2015 | 2,021 | | 2014 | 2,094 | | 2013 | 1,979 | | 2012 | 1,616 | | 2011 | 1,285 | | 2010 | 1,118 | | 2009 | 1,211 | | 2008 | 1,254 | | 2007 | 1,120 | | 2006 | 936 | | 2005 | 798 | | 2004 | 727 | | 2003 | 713 | | 2002 | 705 | | 2001 | 699 | | 2000 | 687 | | 1999 | 660 | | 1998 | 619 | | 1997 | 578 | | 1996 | 554 | | 1995 | 540 | | 1994 | 522 | | 1993 | 497 | | 1992 | 468 | | 1991 | 435 | | 1990 | 400 | | 1989 | 372 | | 1988 | 348 | | 1987 | 327 | | 1986 | 313 | | 1985 | 320 | | 1984 | 341 | | 1983 | 355 | | 1982 | 360 | | 1981 | 358 | | 1980 | 353 | | 1979 | 347 | | 1978 | 339 | | 1977 | 329 | | 1976 | 317 | | 1975 | 306 |
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