Year	Dollars
1992-01-01	9115617
1997-01-01	66435263
2002-01-01	13665730
2003-01-01	14468469
2004-01-01	16442178
2005-01-01	18129522
2006-01-01	22730107
2007-01-01	36082595
2008-01-01	52645981
2009-01-01	27641036
2010-01-01	50173459
2011-01-01	34971400
2012-01-01	31249439
2013-01-01	33790521
2014-01-01	26700845
2015-01-01	35912815
2016-01-01	30977287