Quarter	US dollars
1999-09-30	58
1999-12-31	63
2000-03-31	43
2000-06-30	51
2000-09-30	61
2000-12-31	73
2001-03-31	75
2001-06-30	79
2001-09-30	75
2001-12-31	77
2002-03-31	100
2002-06-30	102
2002-09-30	109
2002-12-31	108
2003-03-31	136
2003-06-30	180
2003-09-30	194
2003-12-31	245
2004-03-31	250
2004-06-30	267
2004-09-30	286