Year | Value | 2021 | 34,236,890.342 | 2020 | 26,962,658.35 | 2019 | 68,779,625.648047 | 2018 | 67,240,082.921165 | 2017 | 66,657,459.79 | 2016 | 55,760,221 | 2015 | 50,614,910 | 2014 | 54,370,978.907039 | 2013 | 53,720,922.145994 | 2012 | 50,973,534.928862 | 2011 | 52,290,259.426245 | 2010 | 52,770,471.770661 | 2009 | 38,021,520 | 2008 | 35,864,926 | 2007 | 36,205,520 | 2006 | 34,256,632 | 2005 | 31,260,133 | 2004 | 30,468,644 | 2003 | 32,800,028 | 2002 | 26,788,324 | 2001 | 34,079,465 | 2000 | 26,100,792 | 1999 | 25,105,400 | 1998 | 25,271,800 | 1997 | 26,337,800 | 1996 | 22,956,900 | 1995 | 20,833,300 | 1994 | 20,017,600 | 1993 | 19,026,300 | 1992 | 19,938,500 | 1991 | 18,725,100 | 1990 | 20,968,500 | 1989 | 20,258,200 | 1988 | 19,326,800 | 1987 | 18,367,600 | 1986 | 17,574,800 | 1985 | 17,521,400 | 1984 | 17,702,900 | 1983 | 16,939,000 | 1982 | 15,082,400 | 1981 | 13,987,100 | 1980 | 13,570,500 | 1979 | 12,941,600 | 1978 | 13,058,400 | 1977 | 11,833,300 | 1976 | 10,386,000 | 1975 | 8,605,400 | 1974 | 6,920,600 | 1973 | 5,611,900 | 1972 | 4,817,000 | 1971 | 4,124,900 | 1970 | 3,575,800 |
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