Year | Value | 2021 | 1,534,854 | 2020 | 1,146,368.544 | 2019 | 4,827,978 | 2018 | 5,365,261 | 2017 | 5,121,235 | 2016 | 5,099,726 | 2015 | 5,677,816 | 2014 | 5,675,088 | 2013 | 5,157,521 | 2012 | 4,758,406.3067717 | 2011 | 4,714,115 | 2010 | 4,818,305 | 2009 | 2,896,528 | 2008 | 2,926,821 | 2007 | 2,630,759 | 2006 | 2,110,423 | 2005 | 2,011,004 | 2004 | 1,828,303 | 2003 | 1,521,249 | 2002 | 1,184,098 | 2001 | 1,284,922 | 2000 | 1,318,518 | 1999 | 1,386,700 | 1998 | 1,918,800 | 1997 | 1,790,600 | 1996 | 1,925,200 | 1995 | 1,670,900 | 1994 | 2,118,700 | 1993 | 2,122,400 | 1992 | 1,473,900 | 1991 | 752,300 | 1990 | 762,500 | 1989 | 741,800 | 1988 | 683,700 | 1987 | 692,000 | 1986 | 697,200 | 1985 | 664,200 | 1984 | 634,000 | 1983 | 618,000 | 1982 | 676,300 | 1981 | 691,700 | 1980 | 701,000 | 1979 | 632,900 | 1978 | 593,300 | 1977 | 528,600 | 1976 | 463,300 | 1975 | 448,100 | 1974 | 362,200 | 1973 | 380,200 | 1972 | 437,800 | 1971 | 457,500 | 1970 | 419,500 |
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