Year	Dollars
1992-01-01	1149745
1997-01-01	3725683
2002-01-01	5941417
2003-01-01	4446993
2004-01-01	4492251
2005-01-01	6675521
2006-01-01	6699879
2007-01-01	6262599
2008-01-01	7537586
2009-01-01	7607989
2010-01-01	10925980
2011-01-01	14379144
2012-01-01	13259671
2013-01-01	18847783
2014-01-01	21652455
2015-01-01	27041111
2016-01-01	17518239