Quarter	US dollars
1999-09-30	7
1999-12-31	8
2000-03-31	8
2000-06-30	9
2000-09-30	25
2000-12-31	30
2001-03-31	44
2001-06-30	56
2001-09-30	31
2001-12-31	32
2002-03-31	34
2002-06-30	40
2002-09-30	33
2002-12-31	37
2003-03-31	36
2003-06-30	40
2003-09-30	37
2003-12-31	56
2004-03-31	62
2004-06-30	60
2004-09-30	47