Quarter	US dollars
1999-09-30	2
1999-12-31	5
2000-03-31	11
2000-06-30	14
2000-09-30	16
2000-12-31	19
2001-03-31	10
2001-06-30	8
2001-09-30	28
2001-12-31	17
2002-03-31	23
2002-06-30	18
2002-09-30	25
2002-12-31	34
2003-03-31	19
2003-06-30	40
2003-09-30	38
2003-12-31	43
2004-03-31	33
2004-06-30	29
2004-09-30	24