Year	Dollars
1997-01-01	5401382
2002-01-01	5273870
2003-01-01	5897881
2004-01-01	3858353
2005-01-01	4849115
2006-01-01	7335304
2007-01-01	20247818
2008-01-01	22396556
2009-01-01	26143735
2010-01-01	29154122
2011-01-01	30017265
2012-01-01	31962064
2013-01-01	48971539
2014-01-01	45875726
2015-01-01	87881057
2016-01-01	101804002