Quarter	US dollars
1999-09-30	31
1999-12-31	35
2000-03-31	35
2000-06-30	41
2000-09-30	33
2000-12-31	31
2001-03-31	28
2001-06-30	13
2001-09-30	10
2001-12-31	9
2002-03-31	7
2002-06-30	5
2002-09-30	6
2002-12-31	6
2003-03-31	6
2003-06-30	7
2003-09-30	7
2003-12-31	7
2004-03-31	6
2004-06-30	9
2004-09-30	4