Year | Value | 2023 | 650,108 | 2022 | 660,855 | 2021 | 673,475 | 2020 | 669,335 | 2019 | 666,092 | 2018 | 659,529 | 2017 | 640,938 | 2016 | 617,248 | 2015 | 584,409 | 2014 | 545,203 | 2013 | 515,115 | 2012 | 498,398 | 2011 | 490,832 | 2010 | 495,964 | 2009 | 513,506 | 2008 | 537,556 | 2007 | 569,311 | 2006 | 597,299 | 2005 | 612,351 | 2004 | 615,178 | 2003 | 609,551 | 2002 | 605,512 | 2001 | 608,621 | 2000 | 612,555 | 1999 | 611,117 | 1998 | 609,229 | 1997 | 604,027 | 1996 | 596,940 | 1995 | 590,255 | 1994 | 583,018 | 1993 | 575,298 | 1992 | 566,775 | 1991 | 564,979 | 1990 | 558,269 | 1989 | 540,309 | 1988 | 497,895 | 1987 | 432,485 | 1986 | 379,193 | 1985 | 350,654 | 1984 | 343,892 | 1983 | 374,702 | 1982 | 436,874 | 1981 | 485,395 | 1980 | 509,763 | 1979 | 517,247 | 1978 | 511,361 | 1977 | 497,600 | 1976 | 480,983 | 1975 | 464,536 | 1974 | 449,694 |
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