Year	Dollars
1992-01-01	972808
1997-01-01	1866716
2002-01-01	1789803
2003-01-01	4041674
2004-01-01	5154522
2005-01-01	14190722
2006-01-01	5618901
2007-01-01	8985441
2008-01-01	13699470
2009-01-01	3167060
2010-01-01	7066982
2011-01-01	12563763
2012-01-01	16337093
2013-01-01	16386653
2014-01-01	20953878
2015-01-01	18301033
2016-01-01	8332435