Year	Dollars
1992-01-01	10753413
1997-01-01	20348003
2002-01-01	21259921
2003-01-01	20212586
2004-01-01	25020455
2005-01-01	28258820
2006-01-01	44601212
2007-01-01	67534807
2008-01-01	102792214
2009-01-01	92051603
2010-01-01	84827968
2011-01-01	103857788
2012-01-01	138236339
2013-01-01	154853606
2014-01-01	176133020
2015-01-01	195425135
2016-01-01	158615196