| Value | Category | Cases | |
|---|---|---|---|
| BP stable | 1 |
10%
|
|
| nil | 2 |
20%
|
|
| no record | 1 |
10%
|
|
| none | 1 |
10%
|
|
| not record | 2 |
20%
|
|
| unknown | 3 |
30%
|