Quarter	US dollars
1999-09-30	17619
1999-12-31	16486
2000-03-31	17734
2000-06-30	17270
2000-09-30	21384
2000-12-31	23373
2001-03-31	23477
2001-06-30	25090
2001-09-30	26678
2001-12-31	27006
2002-03-31	33683
2002-06-30	34066
2002-09-30	36940
2002-12-31	40314
2003-03-31	42236
2003-06-30	46104
2003-09-30	47272
2003-12-31	51696
2004-03-31	56898
2004-06-30	54805
2004-09-30	58122