| Kind | Value | annotation | ||
| enumeration | 1_absent or very low | |||
| enumeration | 2_very low to low | |||
| enumeration | 3_low | |||
| enumeration | 4_low to medium | |||
| enumeration | 5_medium | |||
| enumeration | 6_medium to high | |||
| enumeration | 7_high | |||
| enumeration | 8_high to very high | |||
| enumeration | 9_very high |