date

The rate of interbank business

The rate of other bank business

2009-06

29.59

26.88

2009-12

30.28

25.59

2010-06

36.21

15.24

2010-12

34.20

16.19

2011-06

37.44

14.87

2011-12

38.66

14.45

2012-06

41.22

14.56

2012-12

34.50

13.55

2013-06

16.36

13.41

2013-12

15.82

13.57

2014-06

23.19

13.51

2014-12

17.69

11.61

2015-06

14.80

11.58

2015-12

25.21

12.83