technical efficiency estimates :
firm eff.-est.
1 0.78055046E+00
2 -0.67696212E-01
3 0.89440754E+00
4 0.76394946E+00
5 0.36193964E+00
6 0.79535203E+00
7 0.57590857E+00
8 0.82300819E+00
9 0.13853842E+00
10 0.41193692E+00
11 0.93815002E+00
12 0.87136323E+00
13 0.86352298E+00
14 0.83175225E+00
15 0.72493337E+00
16 0.93198482E+00
17 0.95640761E+00
18 0.90539088E+00
19 -0.92408215E-01
20 0.73218138E+00
21 0.40657918E+00
22 0.82593674E+00
23 0.94995182E+00
24 0.91909607E+00
25 0.65350271E+00
26 0.14332498E+00
27 0.67210451E+00
28 0.68309831E+00
29 0.26580219E+00
30 0.27204911E+00
31 0.63010190E+00