Quarter	US dollars
1999-09-30	1462
1999-12-31	1404
2000-03-31	1295
2000-06-30	1320
2000-09-30	1194
2000-12-31	1296
2001-03-31	1224
2001-06-30	1177
2001-09-30	1314
2001-12-31	1106
2002-03-31	948
2002-06-30	1050
2002-09-30	1173
2002-12-31	1473
2003-03-31	1631
2003-06-30	1546
2003-09-30	1701
2003-12-31	1628
2004-03-31	1737
2004-06-30	1801
2004-09-30	3150