Quarter	US dollars
1999-09-30	2860
1999-12-31	2754
2000-03-31	3320
2000-06-30	2989
2000-09-30	5539
2000-12-31	5693
2001-03-31	6583
2001-06-30	6160
2001-09-30	5864
2001-12-31	5777
2002-03-31	6125
2002-06-30	5957
2002-09-30	5763
2002-12-31	5857
2003-03-31	6052
2003-06-30	6314
2003-09-30	6455
2003-12-31	6346
2004-03-31	6975
2004-06-30	6261
2004-09-30	6465