Year | Value | 2023 | 453,296 | 2022 | 445,262 | 2021 | 433,458 | 2020 | 418,515 | 2019 | 403,314 | 2018 | 388,542 | 2017 | 374,044 | 2016 | 360,207 | 2015 | 347,618 | 2014 | 337,025 | 2013 | 329,069 | 2012 | 324,260 | 2011 | 322,910 | 2010 | 324,902 | 2009 | 329,675 | 2008 | 333,779 | 2007 | 338,575 | 2006 | 345,445 | 2005 | 351,224 | 2004 | 356,350 | 2003 | 360,559 | 2002 | 364,344 | 2001 | 367,787 | 2000 | 369,420 | 1999 | 367,761 | 1998 | 360,357 | 1997 | 347,920 | 1996 | 333,129 | 1995 | 315,991 | 1994 | 296,964 | 1993 | 275,527 | 1992 | 253,031 | 1991 | 232,850 | 1990 | 215,685 | 1989 | 202,053 | 1988 | 191,547 | 1987 | 181,143 | 1986 | 167,850 | 1985 | 151,049 | 1984 | 132,225 | 1983 | 114,607 | 1982 | 103,138 | 1981 | 102,205 | 1980 | 112,803 | 1979 | 132,596 | 1978 | 156,495 | 1977 | 177,793 | 1976 | 193,237 | 1975 | 203,128 | 1974 | 205,838 |
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