Quarter	US dollars
1999-09-30	12198
1999-12-31	11836
2000-03-31	11943
2000-06-30	12241
2000-09-30	11967
2000-12-31	12480
2001-03-31	12922
2001-06-30	12920
2001-09-30	12298
2001-12-31	12648
2002-03-31	12072
2002-06-30	13743
2002-09-30	14197
2002-12-31	14233
2003-03-31	13789
2003-06-30	14086
2003-09-30	14590
2003-12-31	15021
2004-03-31	16098
2004-06-30	16147
2004-09-30	17781