| Symbol | N | EL | VVL | VL | mlL | L | LM | mlM |
| Meaning | Negligible | Extremely low | Very very low | Very low | More or less low | Low | Low medium | More or less medium |
| Symbol | M | MH | mlH | H | VH | VVH | EH |
|
| Meaning | Medium | Medium high | Moe or less high | High | Very high | Very very high | Extremely high |
|