Quarter	US dollars
1999-09-30	3257
1999-12-31	3244
2000-03-31	3321
2000-06-30	2940
2000-09-30	3255
2000-12-31	4409
2001-03-31	3894
2001-06-30	4169
2001-09-30	3510
2001-12-31	3242
2002-03-31	3518
2002-06-30	3477
2002-09-30	3678
2002-12-31	3868
2003-03-31	4285
2003-06-30	5041
2003-09-30	4423
2003-12-31	4960
2004-03-31	5315
2004-06-30	5165
2004-09-30	5649