Quarter	US dollars
1999-09-30	3
1999-12-31	8
2000-03-31	6
2000-06-30	3
2000-09-30	4
2000-12-31	6
2001-03-31	6
2001-06-30	3
2001-09-30	3
2001-12-31	1
2002-03-31	3
2002-06-30	5
2002-09-30	16
2002-12-31	14
2003-03-31	13
2003-06-30	15
2003-09-30	17
2003-12-31	21
2004-03-31	20
2004-06-30	9
2004-09-30	7