Year	Dollars
1997-01-01	7877050
2002-01-01	21638129
2003-01-01	7808325
2004-01-01	7275290
2005-01-01	15756648
2006-01-01	31710900
2007-01-01	25300819
2008-01-01	24327221
2009-01-01	33872364
2010-01-01	30737931
2011-01-01	38321351
2012-01-01	25768107
2013-01-01	56853264
2014-01-01	44965357
2015-01-01	30718550
2016-01-01	31695888