Quarter	US dollars
1999-09-30	1569
1999-12-31	1272
2000-03-31	1332
2000-06-30	1385
2000-09-30	1249
2000-12-31	2367
2001-03-31	2660
2001-06-30	2696
2001-09-30	2855
2001-12-31	2674
2002-03-31	2454
2002-06-30	2286
2002-09-30	1881
2002-12-31	1180
2003-03-31	1124
2003-06-30	950
2003-09-30	1013
2003-12-31	856
2004-03-31	822
2004-06-30	722
2004-09-30	590