Year	Dollars
1992-01-01	6401490
1997-01-01	17167873
2002-01-01	10751029
2003-01-01	14849368
2004-01-01	19977002
2005-01-01	41301794
2006-01-01	47006258
2007-01-01	52737946
2008-01-01	68624078
2009-01-01	40189829
2010-01-01	34477133
2011-01-01	47307029
2012-01-01	49547533
2013-01-01	54252495
2014-01-01	40192552
2015-01-01	46558593
2016-01-01	43476189