Quarter	US dollars
1999-09-30	270
1999-12-31	219
2000-03-31	244
2000-06-30	251
2000-09-30	214
2000-12-31	220
2001-03-31	223
2001-06-30	326
2001-09-30	320
2001-12-31	314
2002-03-31	187
2002-06-30	215
2002-09-30	275
2002-12-31	396
2003-03-31	447
2003-06-30	413
2003-09-30	465
2003-12-31	557
2004-03-31	612
2004-06-30	589
2004-09-30	501