Year	Dollars
1997-01-01	7105203
2002-01-01	18800347
2003-01-01	14383999
2004-01-01	17982212
2005-01-01	23990702
2006-01-01	22800988
2007-01-01	30014070
2008-01-01	21833684
2009-01-01	19947518
2010-01-01	29256640
2011-01-01	30543891
2012-01-01	32532045
2013-01-01	31811723
2014-01-01	36201358
2015-01-01	40696336
2016-01-01	29092036