Quarter	US dollars
1999-09-30	8
1999-12-31	13
2000-03-31	6
2000-06-30	5
2000-09-30	28
2000-12-31	27
2001-03-31	20
2001-06-30	24
2001-09-30	18
2001-12-31	20
2002-03-31	17
2002-06-30	21
2002-09-30	24
2002-12-31	14
2003-03-31	8
2003-06-30	12
2003-09-30	17
2003-12-31	32
2004-03-31	33
2004-06-30	20
2004-09-30	14