Sample | Don’t Know | None | Weak | Good | Very Good | Exclnt. |
Public Owners | 0 | 2 | 16 | 6 | 1 | 0 |
Private Owners | 0 | 6 | 6 | 2 | 1 | 0 |
PM firms | 0 | 2 | 6 | 5 | 2 | 0 |
Engineering firms | 0 | 6 | 7 | 1 | 1 | 0 |
Contractors | 0 | 5 | 20 | 5 | 0 | 0 |
Total | 0 | 21 | 55 | 19 | 5 | 0 |