Quarter	US dollars
1999-09-30	558
1999-12-31	687
2000-03-31	1227
2000-06-30	1308
2000-09-30	1322
2000-12-31	1229
2001-03-31	1715
2001-06-30	1719
2001-09-30	1510
2001-12-31	1737
2002-03-31	1565
2002-06-30	1669
2002-09-30	1772
2002-12-31	1634
2003-03-31	1674
2003-06-30	1497
2003-09-30	1641
2003-12-31	1042
2004-03-31	1134
2004-06-30	847
2004-09-30	760