Quarter	US dollars
1999-09-30	100
1999-12-31	79
2000-03-31	97
2000-06-30	133
2000-09-30	151
2000-12-31	166
2001-03-31	168
2001-06-30	214
2001-09-30	196
2001-12-31	162
2002-03-31	164
2002-06-30	151
2002-09-30	142
2002-12-31	166
2003-03-31	125
2003-06-30	228
2003-09-30	274
2003-12-31	319
2004-03-31	222
2004-06-30	272
2004-09-30	233