| Efficiency Level |
Frequency |
Percentage |
| > 0.50 |
2 |
2.50 |
| 0.51 - 0.55 |
1 |
1.25 |
| 0.56 - 0.60 |
5 |
6.25 |
| 0.61 - 0.65 |
8 |
10.00 |
| 0.66 - 0.70 |
8 |
10.00 |
| 0.71 - 0.75 |
6 |
7.50 |
| 0.76 - 0.80 |
12 |
15.00 |
| 0.81 - 0.85 |
8 |
10.00 |
| > 0.85 |
30 |
37.50 |
| Total |
80 |
100 |
Source: Computed from Field Survey, 2011 |
