Quarter	US dollars
1999-09-30	4000
1999-12-31	4688
2000-03-31	3642
2000-06-30	5160
2000-09-30	5105
2000-12-31	3168
2001-03-31	3763
2001-06-30	4214
2001-09-30	3620
2001-12-31	4381
2002-03-31	4785
2002-06-30	4754
2002-09-30	3291
2002-12-31	3876
2003-03-31	4113
2003-06-30	5216
2003-09-30	5479
2003-12-31	4627
2004-03-31	5198
2004-06-30	5314
2004-09-30	3460