Year	Dollars
1992-01-01	8353772
1997-01-01	14559617
2002-01-01	69165576
2003-01-01	69833193
2004-01-01	69233481
2005-01-01	41500414
2006-01-01	12245015
2007-01-01	10033839
2008-01-01	13052524
2010-01-01	9779460
2011-01-01	12007616
2013-01-01	11847663
2014-01-01	15853182
2015-01-01	20126816
2016-01-01	31427619