Year	Dollars
1992-01-01	9037327
1997-01-01	26606198
2002-01-01	29280539
2003-01-01	31491005
2004-01-01	13281163
2005-01-01	18512299
2006-01-01	20095036
2007-01-01	17926758
2008-01-01	39082765
2009-01-01	22351910
2010-01-01	20601852
2011-01-01	50260226
2012-01-01	42508810
2013-01-01	39130268
2014-01-01	43942511
2015-01-01	53102044
2016-01-01	38684570