Year | Value | 2023 | 342,358 | 2022 | 346,412 | 2021 | 356,090 | 2020 | 371,065 | 2019 | 389,972 | 2018 | 407,915 | 2017 | 418,620 | 2016 | 421,553 | 2015 | 420,198 | 2014 | 414,510 | 2013 | 405,335 | 2012 | 396,794 | 2011 | 384,217 | 2010 | 366,187 | 2009 | 350,838 | 2008 | 340,933 | 2007 | 338,965 | 2006 | 349,483 | 2005 | 369,557 | 2004 | 395,254 | 2003 | 427,030 | 2002 | 462,803 | 2001 | 497,126 | 2000 | 525,964 | 1999 | 547,900 | 1998 | 562,680 | 1997 | 572,053 | 1996 | 579,635 | 1995 | 587,689 | 1994 | 594,714 | 1993 | 596,118 | 1992 | 589,473 | 1991 | 574,249 | 1990 | 549,831 | 1989 | 518,162 | 1988 | 482,897 | 1987 | 448,377 | 1986 | 418,741 | 1985 | 396,638 | 1984 | 382,556 | 1983 | 375,084 | 1982 | 372,115 | 1981 | 371,379 | 1980 | 371,825 | 1979 | 371,793 | 1978 | 369,340 | 1977 | 364,639 | 1976 | 358,676 | 1975 | 351,955 |
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