| Value | Category |
|---|---|
| 1 | batha |
| 2 | borkou/ennedi/tibesti/wadi-fira |
| 3 | chari-baguirmi/hadjer-lamis |
| 4 | guera/salamat |
| 5 | barh-el-gazel/kanem/lac |
| 6 | logone occidental |
| 7 | logone oriental |
| 8 | mayo-kebbi-est/mayo-kebbi-ouest |
| 9 | moyen-chari/mandoul |
| 10 | ouaddai/sila |
| 11 | tandjile |
| 12 | ndjamena |