Year | Value | 2021 | 739,481 | 2020 | 583,142 | 2019 | 1,209,803 | 2018 | 1,200,111.363 | 2017 | 1,029,426 | 2016 | 917,625 | 2015 | 787,998 | 2014 | 724,541.12 | 2013 | 689,094 | 2012 | 678,125.93779306 | 2011 | 695,626 | 2010 | 623,196.77855865 | 2009 | 601,977 | 2008 | 592,292 | 2007 | 569,033 | 2006 | 453,921 | 2005 | 330,484 | 2004 | 302,790 | 2003 | 263,870 | 2002 | 231,413 | 2001 | 206,690 | 2000 | 198,426 | 1999 | 180,500 | 1998 | 196,100 | 1997 | 182,500 | 1996 | 151,300 | 1995 | 168,400 | 1994 | 130,100 | 1993 | 105,300 | 1992 | 120,300 | 1991 | 117,500 | 1990 | 125,800 | 1989 | 156,300 | 1988 | 157,600 | 1987 | 159,500 | 1986 | 151,000 | 1985 | 139,900 | 1984 | 120,400 | 1983 | 113,500 | 1982 | 106,500 | 1981 | 104,600 | 1980 | 100,000 | 1979 | 100,100 | 1978 | 105,300 | 1977 | 99,000 | 1976 | 94,700 | 1975 | 90,600 | 1974 | 69,000 |
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