Quarter	US dollars
1999-09-30	6410
1999-12-31	5781
2000-03-31	6314
2000-06-30	6580
2000-09-30	6145
2000-12-31	6730
2001-03-31	7303
2001-06-30	6425
2001-09-30	6112
2001-12-31	6651
2002-03-31	6296
2002-06-30	6488
2002-09-30	6388
2002-12-31	6847
2003-03-31	7256
2003-06-30	7474
2003-09-30	7875
2003-12-31	9146
2004-03-31	9267
2004-06-30	9954
2004-09-30	10864