Quarter	US dollars
1999-09-30	463
1999-12-31	480
2000-03-31	477
2000-06-30	445
2000-09-30	473
2000-12-31	522
2001-03-31	537
2001-06-30	553
2001-09-30	397
2001-12-31	579
2002-03-31	615
2002-06-30	639
2002-09-30	665
2002-12-31	716
2003-03-31	895
2003-06-30	916
2003-09-30	1035
2003-12-31	1098
2004-03-31	1134
2004-06-30	1183
2004-09-30	1225