Year | Value | 2023 | 280,691 | 2022 | 286,045 | 2021 | 290,264 | 2020 | 292,018 | 2019 | 292,954 | 2018 | 294,256 | 2017 | 296,877 | 2016 | 300,358 | 2015 | 303,452 | 2014 | 304,166 | 2013 | 301,064 | 2012 | 293,855 | 2011 | 281,346 | 2010 | 263,001 | 2009 | 242,859 | 2008 | 219,710 | 2007 | 197,827 | 2006 | 181,802 | 2005 | 168,597 | 2004 | 156,960 | 2003 | 147,583 | 2002 | 139,390 | 2001 | 128,192 | 2000 | 113,295 | 1999 | 97,812 | 1998 | 84,192 | 1997 | 74,537 | 1996 | 73,474 | 1995 | 82,680 | 1994 | 99,399 | 1993 | 119,929 | 1992 | 139,613 | 1991 | 154,286 | 1990 | 162,633 | 1989 | 165,065 | 1988 | 163,517 | 1987 | 159,385 | 1986 | 152,233 | 1985 | 146,588 | 1984 | 144,701 | 1983 | 144,279 | 1982 | 142,498 | 1981 | 139,277 | 1980 | 133,698 | 1979 | 123,603 | 1978 | 108,537 | 1977 | 92,815 | 1976 | 82,212 | 1975 | 73,138 |
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