Year | Value | 2021 | 920,600.238 | 2020 | 664,879.575 | 2019 | 1,599,362.272 | 2018 | 1,539,592.7535302 | 2017 | 1,503,553.38 | 2016 | 1,476,812 | 2015 | 1,375,862 | 2014 | 1,289,638.7674406 | 2013 | 1,222,183.5 | 2012 | 1,159,025.9385852 | 2011 | 1,093,318.5607949 | 2010 | 1,065,038.0107151 | 2009 | 811,221 | 2008 | 504,211 | 2007 | 516,679 | 2006 | 471,714 | 2005 | 431,300 | 2004 | 553,147 | 2003 | 493,857 | 2002 | 473,898 | 2001 | 470,936 | 2000 | 470,300 | 1999 | 441,200 | 1998 | 402,500 | 1997 | 407,400 | 1996 | 408,400 | 1995 | 388,600 | 1994 | 405,800 | 1993 | 390,200 | 1992 | 370,600 | 1991 | 319,800 | 1990 | 354,400 | 1989 | 356,900 | 1988 | 355,500 | 1987 | 334,500 | 1986 | 340,700 | 1985 | 344,800 | 1984 | 349,000 | 1983 | 352,300 | 1982 | 324,500 | 1981 | 341,600 | 1980 | 330,000 | 1979 | 314,400 | 1978 | 295,700 | 1977 | 274,500 | 1976 | 252,000 | 1975 | 215,500 | 1974 | 201,400 | 1973 | 173,400 | 1972 | 159,800 | 1971 | 151,200 | 1970 | 145,300 |
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