Year | Value | 2021 | 579,400 | 2020 | 579,400 | 2019 | 579,400 | 2018 | 579,400 | 2017 | 579,300 | 2016 | 579,290 | 2015 | 579,290 | 2014 | 579,290 | 2013 | 579,320 | 2012 | 579,320 | 2011 | 579,320 | 2010 | 579,320 | 2009 | 579,320 | 2008 | 579,320 | 2007 | 579,330 | 2006 | 579,360 | 2005 | 579,380 | 2004 | 579,340 | 2003 | 579,340 | 2002 | 579,340 | 2001 | 579,350 | 2000 | 579,350 | 1999 | 579,350 | 1998 | 579,350 | 1997 | 579,350 | 1996 | 579,350 | 1995 | 579,350 | 1994 | 579,350 | 1993 | 579,350 | 1992 | 579,350 |
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