Year	Dollars
1992-01-01	9375512
1997-01-01	9469401
2002-01-01	11517952
2003-01-01	15668338
2004-01-01	15121026
2005-01-01	16615071
2006-01-01	21505263
2007-01-01	19361136
2008-01-01	18292622
2009-01-01	14693670
2010-01-01	18105092
2011-01-01	15668709
2012-01-01	18239240
2013-01-01	24111282
2014-01-01	22114889
2015-01-01	20329100
2016-01-01	14100358