Year | Value | 2021 | 2,906.0454223655 | 2020 | 2,606.8486559541 | 2019 | 2,802.5205926431 | 2018 | 2,788.4514085139 | 2017 | 3,096.7955217207 | 2016 | 3,254.1715254335 | 2015 | 3,201.6868211291 | 2014 | 3,526.5517256321 | 2013 | 3,616.3626338547 | 2012 | 4,007.2388054784 | 2011 | 3,790.0247180069 | 2010 | 3,827.3377445106 | 2009 | 3,414.5921344734 | 2008 | 3,416.6842439239 | 2007 | 2,855.8213480908 | 2006 | 2,327.3338210782 | 2005 | 2,017.3037713744 | 2004 | 1,791.7063316735 | 2003 | 1,554.5847798237 | 2002 | 1,465.6870317475 | 2001 | 1,492.0329023383 | 2000 | 1,454.5914591904 | 1999 | 1,443.2684194375 | 1998 | 1,381.7255409911 | 1997 | 1,335.3524865869 | 1996 | 1,276.7428832996 | 1995 | 1,136.5376070154 | 1994 | 967.12646754703 | 1993 | 928.411284542 |
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