Quarter	US dollars
1999-09-30	5
1999-12-31	15
2000-03-31	18
2000-06-30	12
2000-09-30	12
2000-12-31	10
2001-03-31	10
2001-06-30	8
2001-09-30	18
2001-12-31	12
2002-03-31	10
2002-06-30	20
2002-09-30	6
2002-12-31	10
2003-03-31	6
2003-06-30	5
2003-09-30	5
2003-12-31	7
2004-03-31	6
2004-06-30	20
2004-09-30	9