| Year | Value | | 2024 | 2,065 | | 2023 | 1,881 | | 2022 | 1,797 | | 2021 | 1,688 | | 2020 | 1,852 | | 2019 | 1,699 | | 2018 | 1,697 | | 2017 | 1,669 | | 2016 | 1,556 | | 2015 | 1,544 | | 2014 | 1,658 | | 2013 | 1,585 | | 2012 | 1,301 | | 2011 | 1,046 | | 2010 | 934 | | 2009 | 984 | | 2008 | 931 | | 2007 | 726 | | 2006 | 549 | | 2005 | 476 | | 2004 | 433 | | 2003 | 404 | | 2002 | 382 | | 2001 | 362 | | 2000 | 347 | | 1999 | 334 | | 1998 | 322 | | 1997 | 311 | | 1996 | 302 | | 1995 | 292 | | 1994 | 283 | | 1993 | 276 | | 1992 | 268 | | 1991 | 257 | | 1990 | 250 | | 1989 | 248 | | 1988 | 249 | | 1987 | 248 | | 1986 | 245 | | 1985 | 244 | | 1984 | 246 | | 1983 | 246 | | 1982 | 245 | | 1981 | 242 | | 1980 | 233 | | 1979 | 222 | | 1978 | 214 | | 1977 | 204 | | 1976 | 195 | | 1975 | 186 |
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