Quarter	US dollars
1999-09-30	1146
1999-12-31	2033
2000-03-31	1779
2000-06-30	1547
2000-09-30	1733
2000-12-31	1710
2001-03-31	1764
2001-06-30	2568
2001-09-30	2425
2001-12-31	2330
2002-03-31	2251
2002-06-30	2136
2002-09-30	2375
2002-12-31	2324
2003-03-31	2736
2003-06-30	3153
2003-09-30	3378
2003-12-31	3509
2004-03-31	3957
2004-06-30	4565
2004-09-30	4453