Year	Dollars
1992-01-01	143437924
1997-01-01	237728113
2002-01-01	359824356
2003-01-01	331829531
2004-01-01	298144115
2005-01-01	405890549
2006-01-01	528971364
2007-01-01	565429380
2008-01-01	563870781
2009-01-01	467345138
2010-01-01	599197588
2011-01-01	594623027
2012-01-01	611161610
2013-01-01	676522631
2014-01-01	634843689
2015-01-01	584902924
2016-01-01	527529822