Year	Dollars
1992-01-01	1292541
1997-01-01	3321489
2002-01-01	6265267
2003-01-01	6775529
2004-01-01	10202821
2005-01-01	12182098
2006-01-01	7288387
2007-01-01	9060115
2008-01-01	9087829
2009-01-01	15127790
2010-01-01	17950999
2011-01-01	22065914
2012-01-01	15378404
2013-01-01	24015997
2014-01-01	22638403
2015-01-01	30417503
2016-01-01	12789823