Quarter	US dollars
1999-09-30	17942
1999-12-31	16779
2000-03-31	18716
2000-06-30	15135
2000-09-30	17406
2000-12-31	16789
2001-03-31	14578
2001-06-30	11287
2001-09-30	14342
2001-12-31	13946
2002-03-31	12360
2002-06-30	10929
2002-09-30	11448
2002-12-31	10206
2003-03-31	11307
2003-06-30	12381
2003-09-30	11989
2003-12-31	11087
2004-03-31	14874
2004-06-30	13124
2004-09-30	17627