| Value | Category |
|---|---|
| -9 | DON'T KNOW (SPONTANEOUS) |
| 1 | The network and quality of roads |
| 2 | Cost and availability of fuel |
| 3 | Road closures due to strikes and protests |
| 4 | Time and distance to markets |
| 5 | Lack of competition in transportation companies |
| 6 | Availability and quality of transport vehicles |