Year | Value | 2023 | 447,975 | 2022 | 435,460 | 2021 | 422,535 | 2020 | 408,746 | 2019 | 395,554 | 2018 | 383,684 | 2017 | 375,964 | 2016 | 373,722 | 2015 | 370,072 | 2014 | 363,036 | 2013 | 356,600 | 2012 | 352,256 | 2011 | 348,858 | 2010 | 348,897 | 2009 | 352,740 | 2008 | 355,524 | 2007 | 357,488 | 2006 | 361,472 | 2005 | 365,633 | 2004 | 368,654 | 2003 | 371,239 | 2002 | 374,559 | 2001 | 377,853 | 2000 | 378,976 | 1999 | 377,221 | 1998 | 368,676 | 1997 | 354,346 | 1996 | 337,401 | 1995 | 317,020 | 1994 | 294,783 | 1993 | 272,302 | 1992 | 252,012 | 1991 | 235,105 | 1990 | 220,541 | 1989 | 208,715 | 1988 | 199,170 | 1987 | 188,178 | 1986 | 172,829 | 1985 | 153,477 | 1984 | 132,134 | 1983 | 112,752 | 1982 | 100,282 | 1981 | 99,822 | 1980 | 112,206 | 1979 | 133,779 | 1978 | 160,136 | 1977 | 183,793 | 1976 | 199,162 | 1975 | 209,066 |
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