Table 9: Malmquist Productivity Index.

DMUs MPI (2006-2007) MPI (2007-2008) MPI (2008-2009)

1 1.134 3.704 0.530
2 0.988 1.338 0.804
3 0.997 1.609 0.944
4 0.844 1.199 0.996
5 1.025 1.243 1.150
6 0.634 0.927 0.430