Year | Value | 2021 | 383,008 | 2020 | 310,837 | 2019 | 684,170 | 2018 | 665,384 | 2017 | 672,349 | 2016 | 682,937 | 2015 | 668,961 | 2014 | 664,970 | 2013 | 641,451 | 2012 | 622,917 | 2011 | 593,145.00247101 | 2010 | 572,906 | 2009 | 403,256 | 2008 | 393,363 | 2007 | 353,546 | 2006 | 352,909 | 2005 | 342,509 | 2004 | 324,939 | 2003 | 529,648 | 2002 | 536,867 | 2001 | 388,734 | 2000 | 382,514 | 1999 | 384,800 | 1998 | 378,200 | 1997 | 394,500 | 1996 | 371,200 | 1995 | 396,100 | 1994 | 405,600 | 1993 | 347,700 | 1992 | 324,600 | 1991 | 283,600 | 1990 | 255,900 | 1989 | 230,300 | 1988 | 294,400 | 1987 | 283,300 | 1986 | 266,600 | 1985 | 238,600 | 1984 | 214,200 | 1983 | 230,500 | 1982 | 222,700 | 1981 | 230,800 | 1980 | 257,700 | 1979 | 259,000 | 1978 | 259,100 | 1977 | 246,600 | 1976 | 29,300 | 1975 | 18,700 | 1974 | 18,700 | 1973 | 256,500 | 1972 | 283,800 | 1971 | 288,000 | 1970 | 283,300 |
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