Quarter	US dollars
1999-09-30	491
1999-12-31	400
2000-03-31	258
2000-06-30	324
2000-09-30	359
2000-12-31	526
2001-03-31	449
2001-06-30	390
2001-09-30	500
2001-12-31	533
2002-03-31	637
2002-06-30	565
2002-09-30	365
2002-12-31	568
2003-03-31	375
2003-06-30	409
2003-09-30	424
2003-12-31	505
2004-03-31	509
2004-06-30	404
2004-09-30	387