Quarter	US dollars
1999-09-30	11892
1999-12-31	10788
2000-03-31	10603
2000-06-30	9775
2000-09-30	10202
2000-12-31	12111
2001-03-31	10691
2001-06-30	9323
2001-09-30	10071
2001-12-31	9381
2002-03-31	8808
2002-06-30	8262
2002-09-30	8855
2002-12-31	9356
2003-03-31	9940
2003-06-30	11347
2003-09-30	11847
2003-12-31	10598
2004-03-31	11417
2004-06-30	9915
2004-09-30	9255