Quarter	US dollars
1999-09-30	1568
1999-12-31	1425
2000-03-31	1538
2000-06-30	1488
2000-09-30	1342
2000-12-31	1365
2001-03-31	1356
2001-06-30	1398
2001-09-30	1311
2001-12-31	836
2002-03-31	1475
2002-06-30	1109
2002-09-30	1200
2002-12-31	1260
2003-03-31	1301
2003-06-30	1309
2003-09-30	1299
2003-12-31	1402
2004-03-31	1389
2004-06-30	1282
2004-09-30	1391