Year	Dollars
1992-01-01	8852484
1997-01-01	4145434
2002-01-01	6369809
2003-01-01	6413667
2004-01-01	6279301
2005-01-01	11775352
2006-01-01	12510426
2007-01-01	13108004
2008-01-01	13486982
2009-01-01	13809855
2010-01-01	25917225
2011-01-01	28280308
2012-01-01	21686951
2013-01-01	22750896
2014-01-01	23373665
2015-01-01	21872948
2016-01-01	26509032