Sample | Don’t Know | No | Yes |
Public Owners | 3 | 19 | 3 |
Private Owners | 8 | 5 | 2 |
PM firms | 0 | 0 | 15 |
Engineering firms | 5 | 4 | 6 |
Contractors | 8 | 13 | 9 |
Total | 24 | 41 | 35 |