| Year | Value | | 2022 | 2,096,800 | | 2021 | 1,971,300 | | 2020 | 1,912,900 | | 2019 | 1,866,600 | | 2018 | 1,918,000 | | 2017 | 1,839,500 | | 2016 | 1,814,000 | | 2015 | 1,762,300 | | 2014 | 1,652,000 | | 2013 | 1,533,600 | | 2012 | 1,485,800 | | 2011 | 1,294,100 | | 2010 | 1,190,900 | | 2009 | 1,086,748 | | 2008 | 1,033,300 | | 2007 | 928,622 | | 2006 | 772,395 | | 2005 | 656,828 | | 2004 | 547,745 | | 2003 | 462,405 | | 2002 | 347,532 | | 2001 | 272,416 | | 2000 | 180,000 | | 1999 | 102,119 | | 1998 | 60,448 | | 1997 | 42,515 | | 1996 | 20,843 | | 1995 | 11,735 | | 1994 | 5,706 | | 1993 | 4,037 | | 1992 | 2,912 | | 1991 | 2,500 | | 1990 | 2,200 |
|