Quarter	US dollars
1999-09-30	13
1999-12-31	18
2000-03-31	18
2000-06-30	17
2000-09-30	15
2000-12-31	21
2001-03-31	14
2001-06-30	14
2001-09-30	12
2001-12-31	22
2002-03-31	27
2002-06-30	11
2002-09-30	14
2002-12-31	11
2003-03-31	19
2003-06-30	21
2003-09-30	28
2003-12-31	43
2004-03-31	40
2004-06-30	18
2004-09-30	33