Year	Dollars
1997-01-01	4475526
2002-01-01	10786096
2003-01-01	10383687
2004-01-01	25450126
2005-01-01	33244000
2006-01-01	12547349
2007-01-01	12278343
2008-01-01	22628373
2009-01-01	14988627
2010-01-01	26213932
2011-01-01	41287889
2012-01-01	34217253
2013-01-01	41242299
2014-01-01	44489517
2015-01-01	33568513
2016-01-01	33216897