Quarter	US dollars
1999-09-30	542
1999-12-31	482
2000-03-31	495
2000-06-30	478
2000-09-30	514
2000-12-31	496
2001-03-31	407
2001-06-30	294
2001-09-30	309
2001-12-31	295
2002-03-31	537
2002-06-30	653
2002-09-30	594
2002-12-31	472
2003-03-31	438
2003-06-30	436
2003-09-30	435
2003-12-31	449
2004-03-31	417
2004-06-30	390
2004-09-30	668