Quarter	US dollars
1999-09-30	8
1999-12-31	5
2000-03-31	14
2000-06-30	17
2000-09-30	19
2000-12-31	31
2001-03-31	41
2001-06-30	45
2001-09-30	46
2001-12-31	48
2002-03-31	57
2002-06-30	78
2002-09-30	69
2002-12-31	72
2003-03-31	119
2003-06-30	86
2003-09-30	141
2003-12-31	163
2004-03-31	266
2004-06-30	312
2004-09-30	505