Year

1999

2000

2001

2002

2003

2004

2005

2006

2007

Jan

4.66

2.95

4.65

3.97

0.44

2.98

2.71

2.51

6.48

Feb

1.64

0.62

2.48

1.44

5.82

11.44

6.91

3.41

1.08

Mar

3.33

4.59

10.84

6.1

1.9

1.07

1.94

0.5

2.07

Apr

0.75

0.41

1.29

4.51

10.53

5.97

1.81

4.38

3.62

May

3.8

0.33

1.3

0.84

0.01

12.4

5.62

0.85

7.28

Jun

8.25

5.54

24.26

9.64

10.92

8.87

5.11

0.47

7.7

Jul

5.79

1.6

5.85

6.14

9.17

9.39

6.54

5.63

7.44

Aug

2.18

4.35

6.93

5.16

4.06

3.61

7.64

7.7

2.01

Sept

4.36

6.5

3.04

8.67

3.06

1.94

4.78

3.73

6.67

Oct

8.84

0.84

5.29

12.95

3.86

8.98

0

7.6

3.91

Nov

1.06

14.01

1

6.46

6.79

8.03

1.71

3.86

1.04

Dec

4.91

2.34

2.31

7.1

2.77

1.88

3.79

12.86

4.7

Annual

49.57

44.08

69.24

72.98

59.33

76.56

48.56

53.5

54