Quarter	US dollars
1999-09-30	8829
1999-12-31	8459
2000-03-31	9632
2000-06-30	9793
2000-09-30	9254
2000-12-31	8181
2001-03-31	8799
2001-06-30	9129
2001-09-30	8670
2001-12-31	8310
2002-03-31	8547
2002-06-30	10221
2002-09-30	10321
2002-12-31	10338
2003-03-31	10586
2003-06-30	11005
2003-09-30	11846
2003-12-31	12054
2004-03-31	13090
2004-06-30	12603
2004-09-30	12885