Year	Dollars
1992-01-01	3723245
1997-01-01	7268275
2002-01-01	15448273
2003-01-01	13185159
2004-01-01	26271606
2005-01-01	12849249
2006-01-01	30358960
2007-01-01	46767264
2008-01-01	30183753
2009-01-01	22489590
2010-01-01	31923542
2011-01-01	86888492
2012-01-01	63348413
2013-01-01	105793733
2014-01-01	140434005
2015-01-01	28408377
2016-01-01	48678753