4.2

4.0

4.0

3.8

4.5

4.3

3.7

4.4

3.8

4.1

4.4

4.2

4.0

3.9

4.4

3.7

4.5

4.5

3.4

3.9

4.2

4.4

4.3

4.3

4.2

4.0

3.5

2.8

3.5

3.6