Perch	Killed
10	0
10	0.1
10	0.3
10	0.3
20	0.2
20	0.3
20	0.3
20	0.6
40	0.075
40	0.3
40	0.6
40	0.725
60	0.517
60	0.55
60	0.7
60	0.817