Year | Value | 2021 | 368,400 | 2020 | 312,142 | 2019 | 896,647.181 | 2018 | 922,648.6434902 | 2017 | 955,827 | 2016 | 962,803 | 2015 | 967,453 | 2014 | 946,082 | 2013 | 954,874 | 2012 | 985,668.76918817 | 2011 | 1,021,899.9385037 | 2010 | 971,803.43159683 | 2009 | 1,080,553 | 2008 | 1,154,472 | 2007 | 1,126,699 | 2006 | 1,084,821 | 2005 | 1,023,858 | 2004 | 937,143 | 2003 | 844,881 | 2002 | 796,129 | 2001 | 762,178 | 2000 | 738,297 | 1999 | 709,800 | 1998 | 673,300 | 1997 | 645,900 | 1996 | 566,600 | 1995 | 526,600 | 1994 | 521,000 | 1993 | 459,200 | 1992 | 458,000 | 1991 | 406,600 | 1990 | 344,200 | 1989 | 310,800 | 1988 | 294,300 | 1987 | 269,100 | 1986 | 234,100 | 1985 | 214,700 | 1984 | 201,900 | 1983 | 195,400 | 1982 | 188,500 | 1981 | 186,600 | 1980 | 187,300 | 1979 | 183,200 | 1978 | 183,500 | 1977 | 181,200 | 1976 | 179,300 | 1975 | 176,800 | 1974 | 180,300 | 1973 | 151,900 | 1972 | 166,100 | 1971 | 153,800 | 1970 | 143,100 |
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