3.2

2.8

3.5

3.6

3.9

3.6

3.8

4.2

4.0

4.1

4.5

4.3

4.0

4.2

4.2

4.0

4.3

4.3

4.5

4.3

4.3

3.8

4.7

4.7

4.8

3.0

3.3

2.7