Year	Dollars
1992-01-01	4209222
1997-01-01	5040925
2002-01-01	12384468
2003-01-01	17257203
2004-01-01	18551205
2005-01-01	18856086
2006-01-01	24603930
2007-01-01	36116226
2008-01-01	49874091
2009-01-01	29821404
2010-01-01	20960560
2011-01-01	35645515
2012-01-01	50941548
2013-01-01	50504971
2014-01-01	49085071
2015-01-01	36887702
2016-01-01	31941098