Year	U.S. Dollars
2000-01-01	11910000000
2001-01-01	17963000000
2002-01-01	23108000000
2003-01-01	32940000000
2004-01-01	43110000000
2005-01-01	56180000000
2006-01-01	77780000000
2007-01-01	110180000000
2008-01-01	143100000000
2009-01-01	148910000000
2010-01-01	162220000000
2011-01-01	182224000000
2012-01-01	190661000000
2013-01-01	192357300000
2014-01-01	177400000000
2015-01-01	142644000000
2016-01-01	112930000000
2017-01-01	96053000000
2018-01-01	82557100000
2019-01-01	64026900000