Year	Dollars
1992-01-01	32120512
1997-01-01	28630587
2002-01-01	36787276
2003-01-01	48826454
2004-01-01	62372750
2005-01-01	104154623
2006-01-01	116002306
2007-01-01	124250988
2008-01-01	180300621
2009-01-01	180750881
2010-01-01	214070111
2011-01-01	488772568
2012-01-01	310218952
2013-01-01	151374000
2014-01-01	168958011
2015-01-01	173343699
2016-01-01	172041769