Year | Value | 2021 | 715,763.609 | 2020 | 661,287.648 | 2019 | 1,561,562.214227 | 2018 | 1,502,478 | 2017 | 1,031,957.04 | 2016 | 644,559 | 2015 | 544,541 | 2014 | 626,928 | 2013 | 610,992 | 2012 | 593,198.45 | 2011 | 268,376.55 | 2010 | 188,221 | 1994 | 9,100 | 1993 | 9,100 | 1992 | 9,100 | 1991 | 10,100 | 1990 | 8,400 | 1989 | 10,100 | 1988 | 11,900 | 1987 | 8,900 | 1986 | 4,300 | 1985 | 4,800 | 1984 | 4,600 | 1983 | 4,400 | 1982 | 25,900 | 1981 | 9,700 |
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