Quarter	US dollars
1999-09-30	1235
1999-12-31	1343
2000-03-31	1903
2000-06-30	1870
2000-09-30	1780
2000-12-31	1749
2001-03-31	2286
2001-06-30	2211
2001-09-30	2151
2001-12-31	2148
2002-03-31	2130
2002-06-30	2417
2002-09-30	2480
2002-12-31	3380
2003-03-31	3547
2003-06-30	3450
2003-09-30	3496
2003-12-31	3158
2004-03-31	3220
2004-06-30	3005
2004-09-30	3342