| Sample Frame | Members of Staff | |
| Population | Sample Size | |
| CEOs | 3 | 3 |
| CAEs | 3 | 3 |
| Senior Management | 25 | 25 |
| Middle Management | 71 | 71 |
| Internal Auditors | 16 | 16 |
| Other Category of Staff | 1165 | 282 |
| Total | 1283 | 400 |