Quarter	US dollars
1999-09-30	22694
1999-12-31	22104
2000-03-31	24407
2000-06-30	23525
2000-09-30	27465
2000-12-31	29758
2001-03-31	29685
2001-06-30	33258
2001-09-30	33528
2001-12-31	33169
2002-03-31	41850
2002-06-30	39425
2002-09-30	44343
2002-12-31	47074
2003-03-31	51114
2003-06-30	53497
2003-09-30	55946
2003-12-31	60612
2004-03-31	66681
2004-06-30	63478
2004-09-30	68506