Year	Dollars
1992-01-01	1212665
1997-01-01	9366686
2002-01-01	30626253
2003-01-01	5735291
2004-01-01	6076502
2005-01-01	5922278
2006-01-01	7340185
2007-01-01	8449536
2008-01-01	9605474
2009-01-01	9542392
2010-01-01	10519628
2011-01-01	17285604
2012-01-01	22782394
2013-01-01	17284761
2014-01-01	19421200
2015-01-01	14254688
2016-01-01	30290784