Quarter	US dollars
1999-09-30	18665
1999-12-31	15444
2000-03-31	19970
2000-06-30	18012
2000-09-30	17488
2000-12-31	14288
2001-03-31	18747
2001-06-30	16744
2001-09-30	17776
2001-12-31	15527
2002-03-31	13888
2002-06-30	15421
2002-09-30	16075
2002-12-31	17174
2003-03-31	22290
2003-06-30	20523
2003-09-30	18289
2003-12-31	15384
2004-03-31	21472
2004-06-30	21202
2004-09-30	21924