Quarter	US dollars
1999-09-30	570
1999-12-31	619
2000-03-31	670
2000-06-30	748
2000-09-30	803
2000-12-31	846
2001-03-31	847
2001-06-30	875
2001-09-30	1120
2001-12-31	1172
2002-03-31	1171
2002-06-30	1157
2002-09-30	1025
2002-12-31	1286
2003-03-31	1280
2003-06-30	827
2003-09-30	829
2003-12-31	990
2004-03-31	1242
2004-06-30	1030
2004-09-30	1220