Year | Value | 2021 | 451,921,466.06944 | 2020 | 481,139,163.86262 | 2019 | 508,215,581.86115 | 2018 | 475,450,936.34512 | 2017 | 436,558,184.8128 | 2016 | 385,106,822.95272 | 2015 | 401,993,439.99812 | 2014 | 404,730,704.24174 | 2013 | 422,321,448.32085 | 2012 | 442,292,423.14759 | 2011 | 389,418,076.75247 | 2010 | 346,380,982.16291 | 2009 | 296,865,916.03546 | 2008 | 322,903,741.33843 | 2007 | 279,118,249.30628 | 2006 | 274,137,693.94843 | 2005 | 238,965,393.99085 | 2004 | 213,583,419.55509 | 2003 | 186,854,065.5969 | 2002 | 171,412,000.79721 | 2001 | 166,479,349.22651 | 2000 | 190,067,567.97547 | 1999 | 189,733,288.18857 | 1998 | 183,386,128.73316 | 1997 | 203,750,621.39103 | 1996 | 209,090,992.9567 | 1995 | 195,007,267.83087 | 1994 | 190,209,306.10198 | 1993 | 130,569,930.94524 | 1992 | 129,419,681.81586 | 1991 | 125,801,242.77875 | 1990 | 108,460,493.15038 | 1989 | 103,197,413.66168 | 1988 | 106,728,547.29 | 1987 | 79,455,612.755801 | 1986 | 67,237,820.087453 | 1985 | 58,511,321.35146 | 1984 | 62,253,025.103316 | 1983 | 58,738,663.608629 | 1982 | 61,279,694.888179 | 1981 | 61,916,537.645584 |
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