Quarter	US dollars
1999-09-30	8
1999-12-31	8
2000-03-31	8
2000-06-30	8
2000-09-30	7
2000-12-31	16
2001-03-31	16
2001-06-30	14
2001-09-30	15
2001-12-31	15
2002-03-31	14
2002-06-30	14
2002-09-30	13
2002-12-31	16
2003-03-31	13
2003-06-30	15
2003-09-30	12
2003-12-31	5
2004-03-31	4
2004-06-30	4
2004-09-30	4