Year | Value | 2021 | 289,731 | 2020 | 303,493 | 2019 | 1,061,464 | 2018 | 1,242,985 | 2017 | 1,182,696 | 2016 | 1,180,312 | 2015 | 1,104,117 | 2014 | 1,064,175.7 | 2013 | 1,052,640 | 2012 | 1,050,702.9090909 | 2011 | 1,062,692 | 2010 | 985,109.02306718 | 2009 | 1,003,893 | 2008 | 1,056,206 | 2007 | 1,044,883 | 2006 | 1,037,032 | 2005 | 1,018,118 | 2004 | 970,036 | 2003 | 891,154 | 2002 | 924,944 | 2001 | 925,638 | 2000 | 876,158 | 1999 | 840,800 | 1998 | 801,900 | 1997 | 788,900 | 1996 | 772,300 | 1995 | 724,800 | 1994 | 684,900 | 1993 | 659,400 | 1992 | 654,600 | 1991 | 615,500 | 1990 | 670,700 | 1989 | 639,100 | 1988 | 573,300 | 1987 | 522,900 | 1986 | 498,900 | 1985 | 471,700 | 1984 | 457,900 | 1983 | 435,600 | 1982 | 433,200 | 1981 | 434,000 | 1980 | 477,500 | 1979 | 476,900 | 1978 | 462,600 | 1977 | 413,300 | 1976 | 409,300 | 1975 | 397,100 | 1974 | 429,400 | 1973 | 446,300 | 1972 | 435,200 | 1971 | 432,200 | 1970 | 441,800 |
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