Year	Dollars
1992-01-01	4854560
1997-01-01	6945136
2002-01-01	8206417
2003-01-01	10793293
2004-01-01	12142307
2005-01-01	9988409
2006-01-01	15968236
2007-01-01	25728296
2008-01-01	31698906
2009-01-01	24132970
2010-01-01	23313321
2011-01-01	28491544
2012-01-01	25232633
2013-01-01	30401049
2014-01-01	41156359
2015-01-01	30147966
2016-01-01	24074713
