Year | Value | 2021 | 17,305.2 | 2020 | 17,255.6 | 2019 | 16,778.6 | 2018 | 16,780.8 | 2017 | 16,787.2 | 2016 | 16,788.3 | 2015 | 16,723.8 | 2014 | 16,722.6 | 2013 | 16,751.6 | 2012 | 16,741.6 | 2011 | 16,726.4 | 2010 | 16,703.7 | 2009 | 17,003.842 | 2008 | 16,860.9 | 2007 | 16,667.3 | 2006 | 16,627.1 | 2005 | 16,751 | 2004 | 16,285.5 | 2003 | 16,288 | 2002 | 16,307 | 2001 | 16,357 | 2000 | 16,295 | 1999 | 16,092 | 1998 | 16,080 | 1997 | 16,030 | 1996 | 16,014 | 1995 | 16,003 |
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