Quarter	US dollars
1999-09-30	79
1999-12-31	77
2000-03-31	65
2000-06-30	70
2000-09-30	69
2000-12-31	108
2001-03-31	129
2001-06-30	146
2001-09-30	138
2001-12-31	116
2002-03-31	125
2002-06-30	148
2002-09-30	134
2002-12-31	140
2003-03-31	152
2003-06-30	175
2003-09-30	248
2003-12-31	285
2004-03-31	349
2004-06-30	374
2004-09-30	474