Year | Value | 2023 | 278,682 | 2022 | 284,390 | 2021 | 289,214 | 2020 | 292,742 | 2019 | 294,817 | 2018 | 296,134 | 2017 | 297,905 | 2016 | 300,126 | 2015 | 301,880 | 2014 | 301,704 | 2013 | 298,254 | 2012 | 290,435 | 2011 | 277,824 | 2010 | 261,203 | 2009 | 242,257 | 2008 | 220,735 | 2007 | 200,548 | 2006 | 184,524 | 2005 | 170,839 | 2004 | 159,042 | 2003 | 149,056 | 2002 | 139,597 | 2001 | 128,041 | 2000 | 113,783 | 1999 | 98,851 | 1998 | 84,769 | 1997 | 74,341 | 1996 | 71,761 | 1995 | 78,272 | 1994 | 92,285 | 1993 | 111,274 | 1992 | 130,611 | 1991 | 145,556 | 1990 | 154,909 | 1989 | 158,354 | 1988 | 157,310 | 1987 | 153,739 | 1986 | 148,620 | 1985 | 144,501 | 1984 | 142,833 | 1983 | 142,169 | 1982 | 140,523 | 1981 | 136,974 | 1980 | 130,708 | 1979 | 120,820 | 1978 | 106,869 | 1977 | 92,872 | 1976 | 82,317 | 1975 | 73,596 | 1974 | 65,701 |
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