Quarter	US dollars
1999-09-30	1077
1999-12-31	1324
2000-03-31	1669
2000-06-30	1546
2000-09-30	1251
2000-12-31	1559
2001-03-31	1163
2001-06-30	1272
2001-09-30	1202
2001-12-31	1102
2002-03-31	1411
2002-06-30	1330
2002-09-30	1319
2002-12-31	1297
2003-03-31	1306
2003-06-30	1269
2003-09-30	2037
2003-12-31	1728
2004-03-31	2038
2004-06-30	2026
2004-09-30	1600