Quarter	US dollars
1999-09-30	181
1999-12-31	202
2000-03-31	206
2000-06-30	195
2000-09-30	189
2000-12-31	199
2001-03-31	247
2001-06-30	273
2001-09-30	223
2001-12-31	261
2002-03-31	293
2002-06-30	323
2002-09-30	381
2002-12-31	435
2003-03-31	474
2003-06-30	546
2003-09-30	568
2003-12-31	532
2004-03-31	485
2004-06-30	551
2004-09-30	514