Year	Dollars
1997-01-01	1633382
2002-01-01	842469
2003-01-01	2270888
2004-01-01	3500086
2005-01-01	738271
2006-01-01	1153162
2007-01-01	5480319
2008-01-01	2194992
2009-01-01	2246643
2010-01-01	3905602
2011-01-01	2890590
2012-01-01	3809055
2015-01-01	3678269
2016-01-01	2042894