Quarter	US dollars
1999-09-30	855
1999-12-31	667
2000-03-31	673
2000-06-30	589
2000-09-30	634
2000-12-31	682
2001-03-31	634
2001-06-30	681
2001-09-30	542
2001-12-31	601
2002-03-31	570
2002-06-30	581
2002-09-30	519
2002-12-31	578
2003-03-31	710
2003-06-30	743
2003-09-30	1040
2003-12-31	1128
2004-03-31	1261
2004-06-30	1340
2004-09-30	1438