Quarter	US dollars
1999-09-30	1635
1999-12-31	1261
2000-03-31	1546
2000-06-30	2174
2000-09-30	2958
2000-12-31	3059
2001-03-31	2650
2001-06-30	4145
2001-09-30	4154
2001-12-31	3082
2002-03-31	3472
2002-06-30	3889
2002-09-30	3735
2002-12-31	4528
2003-03-31	4302
2003-06-30	4919
2003-09-30	5635
2003-12-31	4356
2004-03-31	5198
2004-06-30	4855
2004-09-30	4259