Year | 2008 | 2009 | 2010 | 2011 | 2012 | 2013 | 2014 | Annual average |
CTE | 0.938 | 0.937 | 0.943 | 0.940 | 0.956 | 0.960 | 0.974 | 0.950 |
PTE | 0.976 | 0.974 | 0.973 | 0.971 | 0.972 | 0.972 | 0.980 | 0.974 |
SE | 0.961 | 0.962 | 0.969 | 0.967 | 0.984 | 0.989 | 0.994 | 0.975 |
The number of effective banks | 18 | 20 | 18 | 20 | 25 | 27 | 28 | 22.3 |