Super | 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 | 0.56 | 0.47 | 0.48 | 0.45 | 0.43 | 0.4 | 0.49 | 0.43 | 0.41 | 0.41 | 0.36 |
SD | 0.41 | 0.42 | 0.52 | 0.44 | 0.35 | 0.32 | 0.57 | 0.41 | 0.28 | 0.27 | 0.32 |
Maximum | 2.34 | 2.51 | 4.34 | 2.37 | 1.95 | 1.86 | 4.83 | 4.08 | 2.14 | 2.3 | 3.81 |
Minimum | 0.01 | 0.06 | 0.02 | 0.01 | 0.03 | 0.02 | 0.01 | 0.05 | 0.01 | 0 | 0 |