| Year | Value | | 2022 | 48,197,996 | | 2021 | 45,427,321 | | 2020 | 43,215,439 | | 2019 | 41,298,629 | | 2018 | 41,310,584 | | 2017 | 40,210,965 | | 2016 | 47,932,521 | | 2015 | 52,796,066 | | 2014 | 52,735,000 | | 2013 | 53,104,000 | | 2012 | 53,000,000 | | 2011 | 54,000,000 | | 2010 | 51,564,375 | | 2009 | 44,864,355 | | 2008 | 36,000,000 | | 2007 | 28,400,000 | | 2006 | 19,700,000 | | 2005 | 14,164,184 | | 2004 | 9,175,764 | | 2003 | 7,238,224 | | 2002 | 5,007,965 | | 2001 | 2,528,640 | | 2000 | 1,375,881 | | 1999 | 836,628 | | 1998 | 627,321 | | 1997 | 332,068 | | 1996 | 190,736 | | 1995 | 16,008 | | 1994 | 15,959 | | 1993 | 15,910 | | 1992 | 15,828 | | 1991 | 15,331 | | 1990 | 14,851 |
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