Year | Value | 2021 | 16,238.889757852 | 2020 | 14,147.461265097 | 2019 | 13,837.831744773 | 2018 | 13,751.569191598 | 2017 | 12,167.366132966 | 2016 | 11,023.219060232 | 2015 | 10,454.851661749 | 2014 | 11,936.758859539 | 2013 | 11,293.152100131 | 2012 | 10,297.666032066 | 2011 | 9,962.7798926837 | 2010 | 8,646.3771083006 | 2009 | 10,284.568900624 | 2008 | 12,648.563068246 | 2007 | 10,669.374966781 | 2006 | 7,276.7128239531 | 2005 | 5,847.9349088874 | 2004 | 4,790.851243758 | 2003 | 3,880.1330421723 | 2002 | 3,108.9623119524 | 2001 | 2,656.414020908 | 2000 | 2,394.0428806591 | 1999 | 2,121.72914103 | 1998 | 2,004.8721833627 | 1997 | 1,791.4717096536 | 1996 | 1,568.9055814497 | 1995 | 1,434.0553812518 |
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