Quarter	US dollars
2004-12-31	21
2005-03-31	11
2005-06-30	5
2005-09-30	23
2005-12-31	12
2006-03-31	19
2006-06-30	30
2006-09-30	13
2006-12-31	20
2007-03-31	22
2007-06-30	12
2007-09-30	18
2007-12-31	42
2008-03-31	103
2008-06-30	243
2008-09-30	249
2008-12-31	221
2009-03-31	231
2009-06-30	63
2009-09-30	42
2009-12-31	57
2010-03-31	52
2010-06-30	57
2010-09-30	52
2010-12-31	49
2011-03-31	279