Year	Dollars
1992-01-01	10278309
1997-01-01	36283319
2002-01-01	34430745
2003-01-01	33471497
2004-01-01	38794573
2005-01-01	52781451
2006-01-01	67193415
2007-01-01	64189709
2008-01-01	70923431
2009-01-01	71909121
2010-01-01	145676556
2011-01-01	155072738
2012-01-01	140097353
2013-01-01	165916272
2014-01-01	138384846
2015-01-01	162723003
2016-01-01	166503706