Year	Dollars
1992-01-01	32545110
1997-01-01	74085576
2002-01-01	19904234
2003-01-01	20397890
2004-01-01	22408768
2005-01-01	20740220
2006-01-01	19721313
2007-01-01	24240746
2008-01-01	19747494
2009-01-01	18265260
2010-01-01	26038153
2011-01-01	47831316
2012-01-01	41342561
2013-01-01	38198582
2014-01-01	34739488
2015-01-01	34553850
2016-01-01	41147194