Quarter	US dollars
1999-09-30	499
1999-12-31	377
2000-03-31	439
2000-06-30	512
2000-09-30	498
2000-12-31	329
2001-03-31	334
2001-06-30	364
2001-09-30	353
2001-12-31	285
2002-03-31	266
2002-06-30	299
2002-09-30	326
2002-12-31	372
2003-03-31	343
2003-06-30	427
2003-09-30	399
2003-12-31	426
2004-03-31	439
2004-06-30	441
2004-09-30	463