Year	Dollars
1992-01-01	317197
1997-01-01	343370
2002-01-01	134179
2003-01-01	337893
2004-01-01	727707
2005-01-01	1253617
2006-01-01	658378
2007-01-01	809728
2008-01-01	8460574
2009-01-01	1042902
2010-01-01	1118749
2011-01-01	1978119