Quarter	US dollars
1999-09-30	432832
1999-12-31	414935
2000-03-31	428386
2000-06-30	410200
2000-09-30	409956
2000-12-31	429322
2001-03-31	421916
2001-06-30	404106
2001-09-30	436316
2001-12-31	453291
2002-03-31	453589
2002-06-30	476611
2002-09-30	492246
2002-12-31	522936
2003-03-31	677174
2003-06-30	712629
2003-09-30	755964
2003-12-31	691441
2004-03-31	805484
2004-06-30	799668
2004-09-30	831195