Quarter	US dollars
1999-09-30	5325
1999-12-31	5444
2000-03-31	6464
2000-06-30	6580
2000-09-30	5823
2000-12-31	6762
2001-03-31	7610
2001-06-30	7041
2001-09-30	7175
2001-12-31	7016
2002-03-31	5299
2002-06-30	5986
2002-09-30	6501
2002-12-31	6509
2003-03-31	7055
2003-06-30	7586
2003-09-30	6910
2003-12-31	11660
2004-03-31	11750
2004-06-30	12966
2004-09-30	15181