(Per cent per annum)

Year / Month

1-month

3-month

6-month

2005

APR

2.11

1.96

1.76

MAY

1.64

1.57

1.47

JUN

1.54

1.40

1.31

JUL

1.72

1.56

1.41

AUG

0.49

0.69

0.79

SEP

0.62

0.62

0.63

OCT

0.88

0.69

0.60

NOV

1.03

0.67

0.53

DEC

2.20

1.51

1.07

2006

JAN

3.25

2.60

1.90

FEB

2.94

2.85

2.19

MAR

3.79

3.11

2.43

APR

1.42

1.31

1.29

MAY

0.86

0.87

0.97

JUN

0.52

0.73

0.98

JUL

0.68

0.83

1.04

AUG

1.19

1.22

1.26

SEP

1.27

1.31

1.29

OCT

1.90

1.67

1.56

NOV

2.21

2.07

1.94

DEC

4.11

3.20

2.94

2007

JAN

4.53

4.22

3.56

FEB

3.32

3.71

3.30

MAR

6.99

4.51

3.80

APR

8.13

6.91

5.93

MAY

4.26

4.58

4.48

JUN

2.10

2.59

2.79

JUL

0.12

1.12

1.65

AUG

1.69

1.59

1.60

SEP

1.75

1.45

1.37

OCT

1.14

1.13

1.25

NOV

2.04

1.40

1.37

DEC

2.45

1.64

1.70

2008

JAN

2.34

2.07

1.88

FEB

-1.40

0.24

0.68

MAR

1.79

1.25

1.19

APR

3.00

2.68

2.38

MAY

3.29

2.45

1.85

JUN

4.37

3.69

3.15

JUL

7.54

6.04

4.92

AUG

5.48

4.71

3.84

SEP

2.95

2.35

1.98

OCT

2.48

1.13

0.70

NOV

6.78

4.20

2.66

DEC

5.78

4.59

3.22

2009

JAN

4.06

3.10

2.35

FEB

3.20

2.68

2.12

MAR

5.22

3.99

3.20

APR

3.77

3.34

2.82

MAY

3.64

3.42

2.89

JUN

3.46

3.29

2.86

JUL

2.69

2.57

2.43

Note : Market-based exchange rate system was introduced from March 1, 1993.