Response level, %
50
10
20
30
40
50
60
70
80
90
1
0.2
0.4
0.7
0.9
1.0
1.1
1.0
0.9
0.6
2
0.5
1.1
1.5
1.8
2.0
2.0
1.9
1.5
0.9
3
0.9
1.7
2.3
2.8
3.0
3.0
2.7
2.1
1.3
4
1.2
2.3
3.2
3.7
4.0
3.9
3.5
2.8
1.6
5
1.6
3.0
4.0
4.7
5.0
4.9
4.4
3.4
2.0
Beware:
γ
changes with response level