Quarter	US dollars
1999-09-30	203
1999-12-31	226
2000-03-31	300
2000-06-30	288
2000-09-30	287
2000-12-31	289
2001-03-31	324
2001-06-30	294
2001-09-30	251
2001-12-31	279
2002-03-31	306
2002-06-30	346
2002-09-30	388
2002-12-31	441
2003-03-31	488
2003-06-30	563
2003-09-30	575
2003-12-31	541
2004-03-31	498
2004-06-30	564
2004-09-30	519