Quarter	US dollars
1999-09-30	5
1999-12-31	5
2000-03-31	14
2000-06-30	20
2000-09-30	12
2000-12-31	15
2001-03-31	9
2001-06-30	8
2001-09-30	10
2001-12-31	15
2002-03-31	13
2002-06-30	20
2002-09-30	19
2002-12-31	14
2003-03-31	5
2003-06-30	5
2003-09-30	13
2003-12-31	4
2004-03-31	13
2004-06-30	15
2004-09-30	11