Quarter	US dollars
1999-09-30	39646
1999-12-31	42363
2000-03-31	28217
2000-06-30	25385
2000-09-30	30021
2000-12-31	25150
2001-03-31	18047
2001-06-30	16249
2001-09-30	21107
2001-12-31	21275
2002-03-31	22468
2002-06-30	24403
2002-09-30	27529
2002-12-31	29052
2003-03-31	35619
2003-06-30	35302
2003-09-30	41173
2003-12-31	38562
2004-03-31	49535
2004-06-30	46569
2004-09-30	44477