Year	Dollars
1992-01-01	39447470
1997-01-01	36423377
2002-01-01	67520350
2003-01-01	45646160
2004-01-01	74968741
2005-01-01	59143700
2006-01-01	76674241
2007-01-01	102692438
2008-01-01	117790145
2009-01-01	102547621
2010-01-01	158333808
2011-01-01	206322649
2012-01-01	208100862
2013-01-01	431137802
2014-01-01	346544163
2015-01-01	159167796
2016-01-01	177707212