Quarter	US dollars
1999-09-30	12
1999-12-31	15
2000-03-31	14
2000-06-30	14
2000-09-30	19
2000-12-31	16
2001-03-31	28
2001-06-30	39
2001-09-30	43
2001-12-31	38
2002-03-31	53
2002-06-30	40
2002-09-30	42
2002-12-31	31
2003-03-31	33
2003-06-30	41
2003-09-30	38
2003-12-31	41
2004-03-31	37
2004-06-30	33
2004-09-30	36