Year	U.S. Dollars
2000-01-01	193200000
2001-01-01	213500000
2002-01-01	224600000
2003-01-01	253000000
2004-01-01	250700000
2005-01-01	287900000
2006-01-01	312300000
2007-01-01	321100000
2008-01-01	369100000
2009-01-01	399400000
2010-01-01	420900000
2011-01-01	419700000
2012-01-01	457400000
2013-01-01	485500000
2014-01-01	510800000
2015-01-01	588500000
2016-01-01	663800000
2017-01-01	703800000
2018-01-01	747500000
2019-01-01	798700000