Quarter	US dollars
1999-09-30	8110
1999-12-31	12254
2000-03-31	13170
2000-06-30	14063
2000-09-30	15036
2000-12-31	12246
2001-03-31	12315
2001-06-30	13405
2001-09-30	13190
2001-12-31	11415
2002-03-31	14954
2002-06-30	13818
2002-09-30	13089
2002-12-31	13924
2003-03-31	15867
2003-06-30	16358
2003-09-30	15240
2003-12-31	15422
2004-03-31	13249
2004-06-30	13280
2004-09-30	12941