1
0.9
1
1
1.1
1.2
0.9
1.1
1
1.1
0.9
1.1
1.2
1.1
0.9
1.1
1.2
0.9
2.8
1
15
1
1.2
0.9
0.8
0.8
1.2
0.8
1.2
1
0.9
0.8
0.9
0.8