Year	Dollars
1992-01-01	4916819
1997-01-01	3186192
2002-01-01	4091630
2003-01-01	4737765
2004-01-01	4072796
2005-01-01	3227178
2006-01-01	2191661
2007-01-01	2574752
2008-01-01	22243685
2009-01-01	11659578
2010-01-01	5864555
2011-01-01	13145877
2012-01-01	14343751
2013-01-01	9036187
2014-01-01	8828755
2015-01-01	9149269
2016-01-01	8933115