Year	Dollars
1992-01-01	4421751
1997-01-01	10468124
2002-01-01	16184543
2003-01-01	23942305
2004-01-01	15366135
2005-01-01	19406836
2006-01-01	25011053
2007-01-01	23213344
2008-01-01	31398267
2009-01-01	29764981
2010-01-01	33996037
2011-01-01	34620965
2012-01-01	39864580
2013-01-01	58831979
2014-01-01	69574333
2015-01-01	75363938
2016-01-01	48300847