Quarter	US dollars
2004-12-31	810
2005-09-30	741
2005-12-31	838
2006-03-31	579
2006-06-30	1187
2008-03-31	553
2008-06-30	611
2008-09-30	658
2008-12-31	1722
2009-03-31	3558
2009-09-30	1164
2009-12-31	1323
2010-03-31	1388
2010-06-30	2937
2010-09-30	2524
2010-12-31	2120
2011-03-31	1552