Year | Value | 2023 | 2,270 | 2022 | 2,267 | 2021 | 2,242 | 2020 | 2,195 | 2019 | 2,139 | 2018 | 2,073 | 2017 | 1,997 | 2016 | 1,922 | 2015 | 1,849 | 2014 | 1,781 | 2013 | 1,715 | 2012 | 1,641 | 2011 | 1,550 | 2010 | 1,440 | 2009 | 1,338 | 2008 | 1,253 | 2007 | 1,195 | 2006 | 1,155 | 2005 | 1,111 | 2004 | 1,049 | 2003 | 970 | 2002 | 880 | 2001 | 794 | 2000 | 725 | 1999 | 663 | 1998 | 616 | 1997 | 583 | 1996 | 553 | 1995 | 523 | 1994 | 496 | 1993 | 467 | 1992 | 442 | 1991 | 430 | 1990 | 416 | 1989 | 389 | 1988 | 355 | 1987 | 321 | 1986 | 283 | 1985 | 247 | 1984 | 220 | 1983 | 192 | 1982 | 165 | 1981 | 146 | 1980 | 137 | 1979 | 131 | 1978 | 131 | 1977 | 134 | 1976 | 136 | 1975 | 135 | 1974 | 133 |
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