.10  8 died 
.10 39 alive
.15 14 died 
.15 39 alive
.20 24 died 
.20 31 alive
.30 32 died 
.30 20 alive
.50 38 died 
.50  8 alive
.70 50 died 
.70  4 alive
.95 50 died 
.95  2 alive