Quarter	US dollars
1999-09-30	4062
1999-12-31	3402
2000-03-31	2750
2000-06-30	2868
2000-09-30	2952
2000-12-31	3217
2001-03-31	4410
2001-06-30	5216
2001-09-30	5073
2001-12-31	4649
2002-03-31	4808
2002-06-30	5452
2002-09-30	5424
2002-12-31	3625
2003-03-31	3896
2003-06-30	3208
2003-09-30	4265
2003-12-31	4170
2004-03-31	6434
2004-06-30	5350
2004-09-30	4815