| Year | Value | | 2022 | 2,055,794 | | 2021 | 1,980,838 | | 2020 | 1,925,789 | | 2019 | 1,951,051 | | 2018 | 1,924,034 | | 2017 | 1,904,425 | | 2016 | 1,897,921 | | 2015 | 1,903,545 | | 2014 | 1,897,551 | | 2013 | 1,927,423 | | 2012 | 1,999,750 | | 2011 | 1,806,075 | | 2010 | 1,652,809 | | 2009 | 1,570,538 | | 2008 | 1,624,465 | | 2007 | 1,681,849 | | 2006 | 1,658,700 | | 2005 | 1,445,300 | | 2004 | 1,255,731 | | 2003 | 1,050,241 | | 2002 | 881,000 | | 2001 | 651,200 | | 2000 | 557,000 | | 1999 | 387,000 | | 1998 | 247,000 | | 1997 | 144,200 | | 1996 | 69,500 | | 1995 | 30,452 | | 1994 | 13,774 | | 1993 | 7,224 | | 1992 | 2,498 | | 1991 | 570 |
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