| Free Zone | Customs zone | Informal production unities | |||
| Never | Observations | 6 | 115 | 114 | 235 |
| Percentage | 100.00% | 83.33% | 87.02% | 85.45% | |
| Rarely | Observations | 0 | 9 | 11 | 20 |
| Percentage | 0.00% | 6.52% | 8.40% | 7.27% | |
| Frequently | Observations | 0 | 9 | 6 | 15 |
| Percentage | 0.00% | 6.52% | 4.58% | 5.45% | |
| always | Observations | 0 | 5 | 0 | 5 |
| Percentage | 0.00% | 3.62% | 0.00% | 1.82% | |
| Total | Observations | 6 | 138 | 131 | 275 |
| Percentage | 100.00% | 100.00% | 100.00% | 100.00% | |