Quarter	US dollars
1999-09-30	7
1999-12-31	6
2000-03-31	6
2000-06-30	18
2000-09-30	19
2000-12-31	24
2001-03-31	23
2001-06-30	17
2001-09-30	18
2001-12-31	15
2002-03-31	14
2002-06-30	12
2002-09-30	13
2002-12-31	10
2003-03-31	9
2003-06-30	8
2003-09-30	8
2003-12-31	4
2004-03-31	4
2004-06-30	4
2004-09-30	4