| Year | Value | | 2023 | 60,042,318 | | 2022 | 58,718,432 | | 2021 | 56,993,986 | | 2020 | 53,137,902 | | 2019 | 56,818,605 | | 2018 | 55,360,235 | | 2017 | 54,292,612 | | 2016 | 53,567,895 | | 2015 | 52,724,092 | | 2014 | 51,654,365 | | 2013 | 51,144,538 | | 2012 | 50,313,010 | | 2011 | 48,766,229 | | 2010 | 47,714,802 | | 2009 | 46,933,484 | | 2008 | 46,141,022 | | 2007 | 45,486,346 | | 2006 | 44,563,447 | | 2005 | 43,124,092 | | 2004 | 41,700,422 | | 2003 | 40,436,874 | | 2002 | 39,346,853 | | 2001 | 38,824,263 | | 2000 | 38,390,325 | | 1999 | 37,615,146 | | 1998 | 37,226,332 | | 1997 | 36,533,751 | | 1996 | 34,882,781 | | 1995 | 33,996,544 | | 1994 | 33,101,442 | | 1993 | 32,221,320 | | 1992 | 31,048,236 | | 1991 | 29,908,342 |
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