Quarter	US dollars
1999-09-30	484
1999-12-31	530
2000-03-31	544
2000-06-30	547
2000-09-30	537
2000-12-31	619
2001-03-31	573
2001-06-30	599
2001-09-30	651
2001-12-31	894
2002-03-31	711
2002-06-30	943
2002-09-30	1285
2002-12-31	946
2003-03-31	899
2003-06-30	784
2003-09-30	684
2003-12-31	671
2004-03-31	689
2004-06-30	662
2004-09-30	612