Quarter	US dollars
1999-09-30	6932
1999-12-31	7008
2000-03-31	6722
2000-06-30	4969
2000-09-30	5397
2000-12-31	5772
2001-03-31	6093
2001-06-30	5731
2001-09-30	6028
2001-12-31	6539
2002-03-31	6737
2002-06-30	6935
2002-09-30	6834
2002-12-31	7882
2003-03-31	9521
2003-06-30	10295
2003-09-30	11301
2003-12-31	3712
2004-03-31	3911
2004-06-30	4012
2004-09-30	4344