Year	Dollars
1997-01-01	3447749
2002-01-01	1390437
2003-01-01	540282
2005-01-01	722213
2006-01-01	2543761
2007-01-01	11924447
2008-01-01	15052431
2010-01-01	16397468
2011-01-01	10327538
2012-01-01	7286407
2014-01-01	5561211
2015-01-01	11208528
2016-01-01	7573406