Year	Dollars
1992-01-01	23979515
1997-01-01	5731361
2002-01-01	34201886
2003-01-01	12373247
2004-01-01	38275312
2005-01-01	22497299
2006-01-01	37172631
2007-01-01	41843778
2008-01-01	48663811
2009-01-01	36521170
2010-01-01	159485452
2011-01-01	129460421
2012-01-01	31554632
2013-01-01	31835975
2014-01-01	26559017
2015-01-01	29336363
2016-01-01	34798167