Year	Dollars
1992-01-01	6716923
1997-01-01	8664566
2002-01-01	16796139
2003-01-01	19930258
2004-01-01	19369953
2005-01-01	21018620
2006-01-01	23274520
2007-01-01	23150284
2008-01-01	31459428
2009-01-01	37092683
2010-01-01	35449124
2011-01-01	36992718
2012-01-01	35512118
2013-01-01	30074664
2014-01-01	28630102
2015-01-01	26419377
2016-01-01	33702240