Quarter	US dollars
1999-09-30	5524
1999-12-31	4245
2000-03-31	5773
2000-06-30	4006
2000-09-30	4574
2000-12-31	3935
2001-03-31	4970
2001-06-30	3649
2001-09-30	2888
2001-12-31	3352
2002-03-31	4866
2002-06-30	5772
2002-09-30	6918
2002-12-31	6211
2003-03-31	5984
2003-06-30	7243
2003-09-30	4293
2003-12-31	4140
2004-03-31	5745
2004-06-30	4915
2004-09-30	5748