Quarter	US dollars
1999-09-30	10
1999-12-31	15
2000-03-31	13
2000-06-30	14
2000-09-30	13
2000-12-31	13
2001-03-31	17
2001-06-30	14
2001-09-30	12
2001-12-31	0
2002-03-31	13
2002-06-30	0
2002-09-30	22
2002-12-31	19
2003-03-31	17
2003-06-30	18
2003-09-30	20
2003-12-31	18
2004-03-31	20
2004-06-30	18
2004-09-30	20