Year	Dollars
1992-01-01	17324289
1997-01-01	22242922
2002-01-01	12538663
2003-01-01	8510408
2004-01-01	12977484
2005-01-01	18129937
2006-01-01	36238872
2007-01-01	46386251
2008-01-01	41372595
2009-01-01	15585047
2010-01-01	18794247
2011-01-01	20170184
2012-01-01	30694503
2013-01-01	48605608
2014-01-01	15124927
2015-01-01	5309275
2016-01-01	1060702