Quarter	US dollars
1999-09-30	8
1999-12-31	10
2000-03-31	5
2000-06-30	12
2000-09-30	21
2000-12-31	18
2001-03-31	9
2001-06-30	11
2001-09-30	13
2001-12-31	17
2002-03-31	9
2002-06-30	11
2002-09-30	11
2002-12-31	6
2003-03-31	6
2003-06-30	8
2003-09-30	13
2003-12-31	11
2004-03-31	4
2004-06-30	7
2004-09-30	16