Quarter	US dollars
1999-09-30	3
1999-12-31	3
2000-03-31	2
2000-06-30	8
2000-09-30	12
2000-12-31	15
2001-03-31	14
2001-06-30	15
2001-09-30	13
2001-12-31	15
2002-03-31	13
2002-06-30	18
2002-09-30	20
2002-12-31	23
2003-03-31	24
2003-06-30	12
2003-09-30	13
2003-12-31	14
2004-03-31	22
2004-06-30	16
2004-09-30	74