Year	Dollars
1992-01-01	2896913
1997-01-01	3944594
2002-01-01	10264767
2003-01-01	7155412
2004-01-01	9180895
2005-01-01	9048526
2006-01-01	11446092
2007-01-01	16248625
2008-01-01	14918806
2009-01-01	15820737
2010-01-01	23437184
2011-01-01	30684006
2012-01-01	22196159
2013-01-01	25204848
2014-01-01	25272898
2015-01-01	30757647
2016-01-01	26383480