| Public sector n (%) | Private sector n (%) | Total n (%) |
Brazzaville | 18 (11) | 145 (89.0) | 163 (40.7) |
Pointe Noire | 11 (4.9) | 213 (95.1) | 224 (56.0) |
Dolisie | 4 (30.7) | 9 (69.3) | 13 (3.3) |
Total | 33 | 367 | 400 |