CCR | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 | 2012 | 2013 | 2014 | 2015 |
No. of DMUs | 71 | 75 | 77 | 86 | 102 | 124 | 151 | 159 | 248 | 248 | 250 |
Average | 0.51 | 0.42 | 0.42 | 0.4 | 0.41 | 0.38 | 0.42 | 0.39 | 0.4 | 0.4 | 0.39 |
SD | 0.29 | 0.27 | 0.25 | 0.29 | 0.26 | 0.25 | 0.25 | 0.24 | 0.23 | 0.24 | 0.22 |
Maximum | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
Minimum | 0.01 | 0.06 | 0.02 | 0.01 | 0.03 | 0.02 | 0.01 | 0.05 | 0.01 | 0 | 0 |