Year	Dollars
1992-01-01	2270763
1997-01-01	12423988
2002-01-01	7073520
2003-01-01	5819203
2004-01-01	5340465
2005-01-01	6500544
2006-01-01	7650034
2007-01-01	10359443
2008-01-01	14732199
2009-01-01	17473101
2010-01-01	17155936
2011-01-01	25884425
2012-01-01	24187660
2013-01-01	20371459
2014-01-01	22039929
2015-01-01	28230874
2016-01-01	20945114