Year	Dollars
1992-01-01	1978340
1997-01-01	1646237
2002-01-01	3648802
2003-01-01	3925945
2004-01-01	3552764
2005-01-01	4002898
2006-01-01	4094549
2007-01-01	4816173
2008-01-01	5144787
2009-01-01	11101239
2010-01-01	5413072
2011-01-01	10815709
2012-01-01	12174927
2013-01-01	14326244
2014-01-01	9767956
2015-01-01	11180390
2016-01-01	10238131