Year	Dollars
1997-01-01	23694233
2002-01-01	2485884
2003-01-01	21756174
2005-01-01	23446840
2006-01-01	29845092
2007-01-01	10591116
2008-01-01	24402338
2009-01-01	20202462
2010-01-01	76747041
2011-01-01	160080707
2012-01-01	132363000
2013-01-01	95338875
2014-01-01	50796826
2015-01-01	42886213
2016-01-01	63735980