Quarter	US dollars
1999-09-30	21457
1999-12-31	22060
2000-03-31	23665
2000-06-30	23095
2000-09-30	23455
2000-12-31	25434
2001-03-31	25845
2001-06-30	25280
2001-09-30	24573
2001-12-31	22083
2002-03-31	16860
2002-06-30	16285
2002-09-30	15734
2002-12-31	14911
2003-03-31	13080
2003-06-30	11424
2003-09-30	11886
2003-12-31	10612
2004-03-31	10480
2004-06-30	10587
2004-09-30	11271