Year	Dollars
1992-01-01	33409615
1997-01-01	13996325
2002-01-01	46684849
2003-01-01	41885085
2004-01-01	49151373
2005-01-01	31402826
2006-01-01	48783327
2007-01-01	44750300
2008-01-01	80870283
2009-01-01	42744396
2010-01-01	73895000
2011-01-01	66002205
2012-01-01	61521132
2013-01-01	148705960
2014-01-01	89586580
2015-01-01	89268647
2016-01-01	45607114