Quarter	US dollars
2004-12-31	956
2005-03-31	977
2005-06-30	599
2005-09-30	516
2005-12-31	606
2006-03-31	411
2006-06-30	496
2006-09-30	456
2006-12-31	423
2007-03-31	455
2007-06-30	451
2007-09-30	465
2007-12-31	438
2008-03-31	225
2008-06-30	245
2008-09-30	228
2008-12-31	82
2009-03-31	195
2009-06-30	127
2009-09-30	133
2009-12-31	78
2010-03-31	97
2010-06-30	72
2010-09-30	72
2010-12-31	72
2011-03-31	146