Quarter	US dollars
1999-09-30	1335
1999-12-31	1332
2000-03-31	1404
2000-06-30	1345
2000-09-30	1424
2000-12-31	1499
2001-03-31	1494
2001-06-30	1761
2001-09-30	1623
2001-12-31	1486
2002-03-31	1488
2002-06-30	1587
2002-09-30	1992
2002-12-31	1618
2003-03-31	1459
2003-06-30	1201
2003-09-30	1088
2003-12-31	1146
2004-03-31	1130
2004-06-30	1088
2004-09-30	1151