Quarter	US dollars
1999-09-30	3
1999-12-31	10
2000-03-31	10
2000-06-30	11
2000-09-30	6
2000-12-31	9
2001-03-31	7
2001-06-30	1
2001-09-30	15
2001-12-31	16
2002-03-31	11
2002-06-30	18
2002-09-30	13
2002-12-31	23
2003-03-31	19
2003-06-30	20
2003-09-30	20
2003-12-31	14
2004-03-31	18
2004-06-30	22
2004-09-30	20