Year	Dollars
1992-01-01	14256200
1997-01-01	28400346
2002-01-01	25659963
2003-01-01	31249695
2004-01-01	28272953
2005-01-01	33205987
2006-01-01	46339178
2007-01-01	118475275
2008-01-01	53921050
2009-01-01	31524557
2010-01-01	22747653
2011-01-01	30493866
2012-01-01	13996317
2013-01-01	17122828
2014-01-01	18989239
2015-01-01	37913071
2016-01-01	24844902