Quarter	US dollars
1999-09-30	41
1999-12-31	285
2000-03-31	268
2000-06-30	435
2000-09-30	443
2000-12-31	463
2001-03-31	323
2001-06-30	459
2001-09-30	275
2001-12-31	182
2002-03-31	281
2002-06-30	215
2002-09-30	178
2002-12-31	311
2003-03-31	403
2003-06-30	548
2003-09-30	390
2003-12-31	403
2004-03-31	562
2004-06-30	501
2004-09-30	342