Quarter	US dollars
1999-09-30	21008
1999-12-31	19392
2000-03-31	23473
2000-06-30	25632
2000-09-30	24417
2000-12-31	24626
2001-03-31	25831
2001-06-30	25626
2001-09-30	24786
2001-12-31	21102
2002-03-31	21971
2002-06-30	25220
2002-09-30	25965
2002-12-31	32643
2003-03-31	29850
2003-06-30	28256
2003-09-30	27249
2003-12-31	26399
2004-03-31	25359
2004-06-30	22372
2004-09-30	21579