Year	Dollars
1992-01-01	15564116
1997-01-01	8446868
2002-01-01	15759557
2003-01-01	18163373
2004-01-01	23113189
2005-01-01	19299528
2006-01-01	26640537
2007-01-01	25717297
2008-01-01	49951476
2009-01-01	18293800
2010-01-01	22127502
2011-01-01	23057344
2012-01-01	20695686
2013-01-01	30358915
2014-01-01	43590996
2015-01-01	36274117
2016-01-01	24762201