Year	Dollars
1992-01-01	4631455
1997-01-01	10546855
2002-01-01	18713253
2003-01-01	23464768
2004-01-01	28762415
2005-01-01	44659583
2006-01-01	44702730
2007-01-01	92497845
2008-01-01	122504377
2009-01-01	47270486
2010-01-01	41825176
2011-01-01	62239074
2012-01-01	58461651
2013-01-01	100603700
2014-01-01	99355473
2015-01-01	92560023
2016-01-01	144409243