Quarter	US dollars
1999-09-30	120
1999-12-31	81
2000-03-31	61
2000-06-30	71
2000-09-30	96
2000-12-31	87
2001-03-31	71
2001-06-30	149
2001-09-30	169
2001-12-31	173
2002-03-31	161
2002-06-30	221
2002-09-30	226
2002-12-31	216
2003-03-31	234
2003-06-30	233
2003-09-30	243
2003-12-31	294
2004-03-31	338
2004-06-30	287
2004-09-30	523