Quarter	US dollars
1999-09-30	19037
1999-12-31	21559
2000-03-31	22642
2000-06-30	22833
2000-09-30	24776
2000-12-31	25354
2001-03-31	23993
2001-06-30	26602
2001-09-30	26547
2001-12-31	25758
2002-03-31	25691
2002-06-30	24350
2002-09-30	25123
2002-12-31	25134
2003-03-31	26328
2003-06-30	26578
2003-09-30	28538
2003-12-31	28347
2004-03-31	29230
2004-06-30	32349
2004-09-30	33988