Year	Dollars
1997-01-01	511961
2002-01-01	103789
2003-01-01	397868
2005-01-01	407901
2006-01-01	1310755
2007-01-01	852935
2009-01-01	680678
2010-01-01	2381936
2011-01-01	4261397
2012-01-01	809506
2013-01-01	2130901
2014-01-01	1922608
2015-01-01	1930934
2016-01-01	7382902