Year	Dollars
1992-01-01	4040880
1997-01-01	9308786
2002-01-01	5218740
2003-01-01	6147708
2004-01-01	9807218
2005-01-01	8828771
2006-01-01	8313277
2007-01-01	16774154
2008-01-01	24494967
2009-01-01	11890258
2010-01-01	21093452
2011-01-01	23469775
2012-01-01	18162335
2013-01-01	9937622
2014-01-01	11523245
2015-01-01	8751438
2016-01-01	6270039