Quarter	US dollars
1999-09-30	21
1999-12-31	21
2000-03-31	26
2000-06-30	23
2000-09-30	18
2000-12-31	33
2001-03-31	7
2001-06-30	13
2001-09-30	9
2001-12-31	13
2002-03-31	16
2002-06-30	17
2002-09-30	20
2002-12-31	8
2003-03-31	3
2003-06-30	2
2003-09-30	12
2003-12-31	11
2004-03-31	7
2004-06-30	9
2004-09-30	13