Quarter	US dollars
1999-09-30	324
1999-12-31	324
2000-03-31	321
2000-06-30	412
2000-09-30	454
2000-12-31	493
2001-03-31	554
2001-06-30	515
2001-09-30	429
2001-12-31	362
2002-03-31	422
2002-06-30	462
2002-09-30	521
2002-12-31	581
2003-03-31	744
2003-06-30	748
2003-09-30	643
2003-12-31	512
2004-03-31	461
2004-06-30	539
2004-09-30	447