Quarter	US dollars
1999-09-30	318
1999-12-31	368
2000-03-31	319
2000-06-30	313
2000-09-30	319
2000-12-31	275
2001-03-31	293
2001-06-30	276
2001-09-30	257
2001-12-31	518
2002-03-31	322
2002-06-30	288
2002-09-30	256
2002-12-31	261
2003-03-31	253
2003-06-30	281
2003-09-30	502
2003-12-31	474
2004-03-31	471
2004-06-30	566
2004-09-30	612