Quarter	US dollars
1999-09-30	10
1999-12-31	10
2000-03-31	21
2000-06-30	17
2000-09-30	16
2000-12-31	16
2001-03-31	9
2001-06-30	14
2001-09-30	15
2001-12-31	13
2002-03-31	17
2002-06-30	12
2002-09-30	16
2002-12-31	3
2003-03-31	0
2003-06-30	15
2003-09-30	8
2003-12-31	14
2004-03-31	7
2004-06-30	0
2004-09-30	5