Quarter	US dollars
1999-09-30	560
1999-12-31	456
2000-03-31	514
2000-06-30	427
2000-09-30	405
2000-12-31	345
2001-03-31	336
2001-06-30	502
2001-09-30	470
2001-12-31	425
2002-03-31	385
2002-06-30	461
2002-09-30	480
2002-12-31	457
2003-03-31	555
2003-06-30	487
2003-09-30	673
2003-12-31	979
2004-03-31	956
2004-06-30	909
2004-09-30	1107