Year | Value | 2021 | 111,964 | 2020 | 131,713 | 2019 | 632,389 | 2018 | 710,407 | 2017 | 454,276 | 2016 | 467,713 | 2015 | 452,004 | 2014 | 608,844 | 2013 | 711,548.47 | 2012 | 794,176 | 2011 | 845,395.68884887 | 2010 | 715,072 | 2009 | 428,493 | 2008 | 465,911 | 2007 | 458,688 | 2006 | 432,760 | 2005 | 445,854 | 2004 | 373,456 | 2003 | 298,928 | 2002 | 267,089 | 2001 | 281,040 | 2000 | 265,898 | 1999 | 231,700 | 1998 | 222,200 | 1997 | 196,000 | 1996 | 260,500 | 1995 | 105,200 | 1994 | 324,200 | 1993 | 337,500 | 1992 | 313,600 | 1991 | 308,800 | 1990 | 273,000 | 1989 | 272,300 | 1988 | 248,600 | 1987 | 205,000 | 1986 | 184,200 | 1985 | 212,000 | 1984 | 179,000 | 1983 | 163,500 | 1982 | 167,000 | 1981 | 127,000 | 1980 | 129,000 | 1979 | 118,500 | 1978 | 111,700 | 1977 | 104,600 | 1976 | 66,500 | 1975 | 64,500 | 1974 | 61,000 | 1973 | 59,600 | 1972 | 53,700 | 1971 | 84,300 | 1970 | 80,600 |
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