| Category | Category | Frequency | Percentage% |
| Gender | Males | 114 | 74.0 |
| Females | 40 | 26.0 | |
| Total | 154 | 100 | |
| Age | 24 years-less than 30 | 14 | 9.3 |
| 30 years-less than 40 | 84 | 54.5 | |
| 40 years-less than 50 | 34 | 22.0 | |
| More than 50 years old | 22 | 14.2 | |
| Total | 154 | 100 | |
| Experience | Less than 5 years | 29 | 18.8 |
| 5-less than 10 years | 93 | 60.4 | |
| 10-less than 15 years | 12 | 7.8 | |
| More than 15 years | 20 | 13.0 | |
| Total | 154 | 100 |