Quarter	US dollars
1999-09-30	425
1999-12-31	432
2000-03-31	404
2000-06-30	418
2000-09-30	414
2000-12-31	444
2001-03-31	419
2001-06-30	404
2001-09-30	279
2001-12-31	341
2002-03-31	318
2002-06-30	433
2002-09-30	437
2002-12-31	401
2003-03-31	422
2003-06-30	480
2003-09-30	508
2003-12-31	578
2004-03-31	621
2004-06-30	628
2004-09-30	644