Quarter	US dollars
1999-09-30	8161
1999-12-31	7314
2000-03-31	9965
2000-06-30	9948
2000-09-30	10619
2000-12-31	10994
2001-03-31	10477
2001-06-30	10834
2001-09-30	9843
2001-12-31	8927
2002-03-31	9237
2002-06-30	6971
2002-09-30	5789
2002-12-31	20159
2003-03-31	19613
2003-06-30	20957
2003-09-30	21362
2003-12-31	22949
2004-03-31	21748
2004-06-30	22182
2004-09-30	25449