January

February

March

April

May

June

July

August

September

October

November

December

1

5.1

5.8

6.1

6.5

5.2

4.8

4.5

4.3

4.2

4.18

4.9

5.1

2

3.88

4.39

3.98

4.6

4.29

3.98

3.06

3.57

3.47

4.39

3.37

3.88

3

5.64

5.64

6

5.6

5.4

4.4

5.2

5.6

4.4

5.64

5.64

5.64

4

6

6.9

5.8

7.6

7.9

8.9

9.6

9.4

7

6.2

6.7

5.7

5

7.56

7.65

7.7

8.72

9.33

10.3

10.8

9.5

8.67

7.31

6.89

6.36

6

4.8

4.09

5.82

4.6

5.11

5

4.39

4.7

4.7

3.57

5.41

4.39

7

5.93

5.35

5.65

6.68

5.21

6.26

6.09

6.15

6.12

5.93

5.93

5.93

8

10.6

11.9

9.92

10.4

8.58

11.2

11.2

10.6

10.7

8.37

11.1

9.8

9

4.8

4.6

6.23

6.43

6.74

6.03

5.41

5.41

6.94

4.49

4.6

8.27

10

2.55

3.79

4.99

4.11

4.41

4.25

4.44

4.05

3.82

4.04

3.02

2.78

11

4.8

3.66

3.8

4.19

4.09

3.8

3.71

3.7

3.63

3.93

3.93

3.93