Year	Dollars
1992-01-01	3198696
1997-01-01	15410990
2002-01-01	13383892
2003-01-01	17518491
2004-01-01	14057587
2005-01-01	21199013
2006-01-01	16255352
2007-01-01	16396066
2008-01-01	22987818
2009-01-01	20763596
2010-01-01	22244976
2011-01-01	30981888
2012-01-01	29860755
2013-01-01	36144721
2014-01-01	40599432
2015-01-01	39034758
2016-01-01	40451959