Quarter	US dollars
1999-09-30	1294
1999-12-31	1257
2000-03-31	1338
2000-06-30	1216
2000-09-30	1478
2000-12-31	1398
2001-03-31	1508
2001-06-30	1578
2001-09-30	1718
2001-12-31	1764
2002-03-31	1705
2002-06-30	1724
2002-09-30	1580
2002-12-31	1748
2003-03-31	1814
2003-06-30	2150
2003-09-30	1650
2003-12-31	1941
2004-03-31	2058
2004-06-30	2323
2004-09-30	2247