Quarter	US dollars
1999-09-30	548
1999-12-31	524
2000-03-31	536
2000-06-30	468
2000-09-30	452
2000-12-31	466
2001-03-31	418
2001-06-30	437
2001-09-30	401
2001-12-31	362
2002-03-31	511
2002-06-30	378
2002-09-30	528
2002-12-31	647
2003-03-31	680
2003-06-30	644
2003-09-30	709
2003-12-31	906
2004-03-31	836
2004-06-30	778
2004-09-30	859