Year | Value | 2023 | 374,240 | 2022 | 398,110 | 2021 | 419,400 | 2020 | 436,210 | 2019 | 450,224 | 2018 | 461,581 | 2017 | 469,712 | 2016 | 474,178 | 2015 | 474,200 | 2014 | 469,772 | 2013 | 461,365 | 2012 | 449,778 | 2011 | 436,199 | 2010 | 421,804 | 2009 | 407,513 | 2008 | 388,537 | 2007 | 369,951 | 2006 | 357,951 | 2005 | 348,928 | 2004 | 342,570 | 2003 | 337,720 | 2002 | 334,086 | 2001 | 332,630 | 2000 | 334,284 | 1999 | 339,329 | 1998 | 343,505 | 1997 | 343,717 | 1996 | 344,135 | 1995 | 345,296 | 1994 | 347,178 | 1993 | 351,378 | 1992 | 358,455 | 1991 | 365,065 | 1990 | 369,379 | 1989 | 373,130 | 1988 | 372,706 | 1987 | 366,487 | 1986 | 355,564 | 1985 | 340,365 | 1984 | 321,029 | 1983 | 298,561 | 1982 | 275,622 | 1981 | 254,480 | 1980 | 235,626 | 1979 | 219,933 | 1978 | 208,854 | 1977 | 198,302 | 1976 | 180,663 | 1975 | 156,358 | 1974 | 130,897 |
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