Year | Value | 2023 | 389,049 | 2022 | 372,349 | 2021 | 356,006 | 2020 | 342,265 | 2019 | 334,638 | 2018 | 333,461 | 2017 | 337,903 | 2016 | 347,562 | 2015 | 361,421 | 2014 | 378,073 | 2013 | 396,355 | 2012 | 414,599 | 2011 | 430,551 | 2010 | 443,018 | 2009 | 452,509 | 2008 | 455,010 | 2007 | 454,560 | 2006 | 455,110 | 2005 | 451,341 | 2004 | 443,346 | 2003 | 433,237 | 2002 | 421,740 | 2001 | 408,135 | 2000 | 393,040 | 1999 | 377,683 | 1998 | 365,396 | 1997 | 356,082 | 1996 | 347,690 | 1995 | 340,357 | 1994 | 333,871 | 1993 | 327,315 | 1992 | 323,244 | 1991 | 321,435 | 1990 | 322,590 | 1989 | 326,816 | 1988 | 333,947 | 1987 | 341,741 | 1986 | 350,274 | 1985 | 360,211 | 1984 | 369,139 | 1983 | 377,698 | 1982 | 386,831 | 1981 | 395,351 | 1980 | 402,538 | 1979 | 409,696 | 1978 | 408,624 | 1977 | 396,577 | 1976 | 378,116 | 1975 | 358,431 | 1974 | 339,029 |
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