Year	Dollars
1992-01-01	1181097070
1997-01-01	1431934088
2002-01-01	4247794683
2003-01-01	5195285134
2004-01-01	6319633374
2005-01-01	7155027604
2006-01-01	9091909344
2007-01-01	10022011576
2008-01-01	10358804245
2009-01-01	9303539900
2010-01-01	11888502403
2011-01-01	13373879165
2012-01-01	13127317301
2013-01-01	15409614930
2014-01-01	15294805621
2015-01-01	13909896988
2016-01-01	13852635558