Year	Dollars
1997-01-01	1745374
2002-01-01	4081287
2003-01-01	3666364
2004-01-01	1803802
2005-01-01	3898959
2006-01-01	4598348
2007-01-01	3087459
2008-01-01	21796265
2009-01-01	13914153
2010-01-01	37883387
2011-01-01	17113634
2012-01-01	11085956
2013-01-01	13584304
2014-01-01	8697042
2015-01-01	30439645
2016-01-01	10165327