Year	Dollars
1992-01-01	1738183
1997-01-01	4675684
2002-01-01	10293267
2003-01-01	13694296
2004-01-01	29107108
2005-01-01	13977537
2006-01-01	17182672
2007-01-01	27905765
2008-01-01	33995821
2009-01-01	23148435
2010-01-01	28781189
2011-01-01	34168609
2012-01-01	32136636
2013-01-01	33713987
2014-01-01	34115892
2015-01-01	31844569
2016-01-01	28363620