(Percent per annum)

Year

Apr.

May

Jun.

Jul.

Aug.

Sep.

Oct.

Nov.

Dec.

Jan.

Feb.

Mar.

Annual

1

2

3

4

5

6

7

8

9

10

11

12

13

14

2005-06

High

6.10

5.30

6.30

6.25

6.50

6.00

6.20

7.25

7.55

8.25

7.50

8.25

8.25

Low

2.00

3.00

2.50

1.00

0.60

1.00

2.00

1.50

4.50

4.50

5.00

3.00

0.60

Average

4.77

4.99

5.10

5.02

5.02

5.05

5.12

5.79

6.00

6.83

6.95

6.58

5.60

2006-07

High

8.00

6.05

6.25

6.25

6.30

8.75

7.85

7.70

21.00

19.00

8.50

80.00

80.00

Low

4.00

3.00

4.00

4.25

5.00

5.10

1.90

5.00

5.00

5.00

3.00

2.50

1.90

Average

5.62

5.54

5.73

5.86

6.06

6.33

6.75

6.69

8.63

8.18

7.16

14.07

7.22

2007-08

High

20.00

9.50

9.50

4.90

55.00

9.50

6.65

9.75

8.55

52.00

9.00

10.30

55.00

Low

1.50

0.10

0.05

0.01

0.05

1.00

3.00

1.00

3.50

2.75

1.00

2.50

0.01

Average

8.33

6.96

2.42

0.73

6.31

6.41

6.03

6.98

7.50

6.69

7.06

7.37

6.07

2008-09

High

8.00

8.25

10.25

10.25

11.50

16.00

23.00

21.00

7.00

6.00

5.54

5.75

23.00

Low

1.00

1.75

2.50

3.60

4.00

5.25

2.00

3.00

3.00

2.00

2.00

2.00

1.00

Average

6.11

6.62

7.75

8.76

9.10

10.52

9.90

7.57

5.92

4.18

4.16

4.17

7.06

2009-10

High

4.90

3.75

3.40

3.35

4.00

4.30

4.40

3.50

5.00

4.50

3.75

9.00

9.00

Low

1.20

0.50

1.00

1.25

1.00

1.50

1.50

1.50

1.50

1.00

0.75

1.00

0.50

Average

3.28

3.17

3.21

3.21

3.22

3.31

3.17

3.19

3.24

3.23

3.17

3.51

3.24

2010-11

High

4.10

5.30

6.50

-

-

-

-

-

-

-

-

-

-

Low

0.25

0.30

2.00

-

-

-

-

-

-

-

-

-

-

Average

3.49

3.83

5.16

-

-

-

-

-

-

-

-

-

-