| Year | Value | | 2021 | 260,000 | | 2020 | 260,000 | | 2019 | 260,000 | | 2015 | 260,277 | | 2014 | 243,100 | | 2013 | 240,500 | | 2012 | 231,000 | | 2011 | 227,310 | | 2010 | 220,811 | | 2009 | 209,595 | | 2008 | 196,474 | | 2007 | 176,350 | | 2006 | 155,000 | | 2005 | 134,265 | | 2004 | 116,443 | | 2003 | 97,113 | | 2002 | 80,000 | | 2001 | 67,917 | | 2000 | 49,948 | | 1999 | 25,450 | | 1998 | 13,040 | | 1997 | 5,198 | | 1996 | 2,060 | | 1995 | 825 |
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