Quarter	US dollars
1999-09-30	315
1999-12-31	310
2000-03-31	322
2000-06-30	332
2000-09-30	340
2000-12-31	413
2001-03-31	424
2001-06-30	364
2001-09-30	354
2001-12-31	282
2002-03-31	288
2002-06-30	359
2002-09-30	337
2002-12-31	373
2003-03-31	477
2003-06-30	442
2003-09-30	573
2003-12-31	602
2004-03-31	895
2004-06-30	979
2004-09-30	1263