| Kind | Value | annotation | ||
| enumeration | 1_very narrow | |||
| enumeration | 2_very narrow to narrow | |||
| enumeration | 3_narrow | |||
| enumeration | 4_narrow to medium | |||
| enumeration | 5_medium | |||
| enumeration | 6_medium to broad | |||
| enumeration | 7_broad | |||
| enumeration | 8_broad to very broad | |||
| enumeration | 9_ very broad |