| Year | Value | | 2021 | 148,553.34734 | | 2020 | 148,749.68684 | | 2019 | 149,488.6469 | | 2018 | 150,462.2976 | | 2017 | 150,966 | | 2016 | 151,270 | | 2015 | 151,735 | | 2014 | 152,932.6 | | 2013 | 154,321.5 | | 2012 | 153,516.6 | | 2011 | 194,136 | | 2010 | 194,431 | | 2009 | 191,785 | | 2008 | 192,123 | | 2007 | 192,508 | | 2006 | 191,771 | | 2005 | 194,025 | | 2004 | 195,369 | | 2003 | 196,806 | | 2002 | 198,057 | | 2001 | 194,746 | | 2000 | 194,077 | | 1999 | 194,708 | | 1998 | 192,815 | | 1997 | 195,804 | | 1996 | 203,875 | | 1995 | 201,284 |
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