| Year | Value | | 2022 | 372,682,000 | | 2021 | 361,664,000 | | 2020 | 352,522,000 | | 2019 | 355,763,000 | | 2018 | 348,242,000 | | 2017 | 340,113,000 | | 2016 | 338,238,000 | | 2015 | 332,101,000 | | 2014 | 322,597,000 | | 2013 | 310,698,000 | | 2012 | 304,838,000 | | 2011 | 297,404,000 | | 2010 | 285,118,000 | | 2009 | 274,283,000 | | 2008 | 261,300,000 | | 2007 | 249,300,000 | | 2006 | 229,600,000 | | 2005 | 203,700,000 | | 2004 | 184,819,000 | | 2003 | 160,637,000 | | 2002 | 141,800,000 | | 2001 | 128,500,000 | | 2000 | 109,478,031 | | 1999 | 86,047,003 | | 1998 | 69,209,321 | | 1997 | 55,312,293 | | 1996 | 44,042,992 | | 1995 | 33,785,661 | | 1994 | 24,134,421 | | 1993 | 16,009,461 | | 1992 | 11,032,753 | | 1991 | 7,557,148 | | 1990 | 5,283,055 | | 1989 | 3,508,944 | | 1988 | 2,069,441 | | 1987 | 1,230,855 | | 1986 | 681,825 | | 1985 | 340,213 | | 1984 | 91,600 |
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