| Year | Value | | 2021 | 1,545,075.302 | | 2020 | 1,138,030.126 | | 2019 | 2,023,942.332 | | 2018 | 1,966,459.545 | | 2017 | 1,893,325 | | 2016 | 1,797,519 | | 2015 | 1,759,692 | | 2014 | 1,654,043.72 | | 2013 | 1,519,945.5032362 | | 2012 | 1,365,184.8202289 | | 2011 | 1,270,621.3861058 | | 2010 | 1,121,064.227359 | | 2009 | 948,612 | | 2008 | 939,316 | | 2007 | 839,583 | | 2006 | 783,495 | | 2005 | 716,247 | | 2004 | 699,078 | | 2003 | 639,807 | | 2002 | 607,061 | | 2001 | 614,331 | | 2000 | 585,153 | | 1999 | 583,000 | | 1998 | 512,600 | | 1997 | 611,000 | | 1996 | 703,400 | | 1995 | 830,600 | | 1994 | 897,200 | | 1993 | 1,006,600 |
|