For whats it worth here are my chargebacks at coins:
2002 10 health41 8450
2003 1 health41 1350
2003 2 health41 3950
2003 3 health41 8950
2003 4 health41 800
2003 5 health41 2030
2003 7 health41 105
2003 10 health41 999
2003 11 health41 130
2003 12 health41 300
2004 2 health41 239
2004 4 health41 825
2004 5 health41 770
2004 6 health41 270
2004 7 health41 700