Year	Dollars
1992-01-01	7603467
1997-01-01	6202449
2002-01-01	11701075
2003-01-01	36331887
2004-01-01	21007489
2005-01-01	13347298
2006-01-01	13070565
2007-01-01	23918473
2008-01-01	21538618
2009-01-01	17337478
2010-01-01	15190007
2011-01-01	21096072
2012-01-01	17699626
2013-01-01	36521576
2014-01-01	22764627
2015-01-01	31945325
2016-01-01	20322271