Quarter	US dollars
1999-09-30	2078
1999-12-31	2405
2000-03-31	2493
2000-06-30	3039
2000-09-30	3183
2000-12-31	3319
2001-03-31	2511
2001-06-30	2367
2001-09-30	2702
2001-12-31	2475
2002-03-31	3179
2002-06-30	3529
2002-09-30	3642
2002-12-31	3287
2003-03-31	3262
2003-06-30	3434
2003-09-30	2961
2003-12-31	4215
2004-03-31	4865
2004-06-30	2653
2004-09-30	3299