Quarter	US dollars
1999-09-30	6669
1999-12-31	6505
2000-03-31	5982
2000-06-30	5929
2000-09-30	5895
2000-12-31	5874
2001-03-31	5680
2001-06-30	5825
2001-09-30	5449
2001-12-31	5396
2002-03-31	5118
2002-06-30	5989
2002-09-30	6043
2002-12-31	6430
2003-03-31	6268
2003-06-30	6403
2003-09-30	6694
2003-12-31	6661
2004-03-31	7223
2004-06-30	7264
2004-09-30	7639