Quarter	US dollars
1999-09-30	1014
1999-12-31	1261
2000-03-31	1519
2000-06-30	1404
2000-09-30	1474
2000-12-31	1363
2001-03-31	1982
2001-06-30	1857
2001-09-30	1574
2001-12-31	1923
2002-03-31	1810
2002-06-30	1971
2002-09-30	1447
2002-12-31	1531
2003-03-31	1524
2003-06-30	1122
2003-09-30	1151
2003-12-31	2095
2004-03-31	1875
2004-06-30	1464
2004-09-30	1201