Quarter	US dollars
1999-09-30	502
1999-12-31	530
2000-03-31	549
2000-06-30	483
2000-09-30	513
2000-12-31	519
2001-03-31	425
2001-06-30	430
2001-09-30	422
2001-12-31	410
2002-03-31	510
2002-06-30	490
2002-09-30	489
2002-12-31	539
2003-03-31	653
2003-06-30	749
2003-09-30	701
2003-12-31	754
2004-03-31	801
2004-06-30	1168
2004-09-30	1156