Year | Value | 2021 | 58,442.035142368 | 2020 | 45,233.374451656 | 2019 | 55,261.87206193 | 2018 | 53,981.413449339 | 2017 | 51,926.817532694 | 2016 | 46,350.971018781 | 2015 | 43,944.451132469 | 2014 | 43,950.98871189 | 2013 | 42,534.482057254 | 2012 | 41,730.666609837 | 2011 | 42,779.658719191 | 2010 | 41,318.057469514 | 2009 | 45,222.186 | 2008 | 40,790.377 | 2007 | 39,949.088 | 2006 | 39,366.256 | 2005 | 37,481.492 | 2004 | 37,192.491 | 2003 | 33,998.28 | 2002 | 32,960.843 | 2001 | 32,576.112 | 2000 | 34,864.484 | 1999 | 31,304.21941394 | 1998 | 29,670.573853793 | 1997 | 31,775.800039962 | 1996 | 29,574.799915925 | 1995 | 27,975.600052498 | 1994 | 25,777.100035735 | 1993 | 22,543.300048113 | 1992 | 19,901.500040725 |
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