Quarter	US dollars
1999-09-30	15850
1999-12-31	14859
2000-03-31	16600
2000-06-30	13485
2000-09-30	13986
2000-12-31	14627
2001-03-31	12530
2001-06-30	9448
2001-09-30	12114
2001-12-31	11301
2002-03-31	9480
2002-06-30	8711
2002-09-30	9215
2002-12-31	7523
2003-03-31	7792
2003-06-30	9800
2003-09-30	8624
2003-12-31	8739
2004-03-31	10947
2004-06-30	10610
2004-09-30	12852