Quarter	US dollars
1999-09-30	3
1999-12-31	10
2000-03-31	11
2000-06-30	6
2000-09-30	15
2000-12-31	13
2001-03-31	14
2001-06-30	13
2001-09-30	12
2001-12-31	12
2002-03-31	10
2002-06-30	17
2002-09-30	20
2002-12-31	8
2003-03-31	8
2003-06-30	8
2003-09-30	10
2003-12-31	9
2004-03-31	7
2004-06-30	11
2004-09-30	11