| Value | Category | Cases | |
|---|---|---|---|
| 1 | N0 | 9 |
4.6%
|
| 2 | N1 | 26 |
13.4%
|
| 3 | N2 | 30 |
15.5%
|
| 4 | N3 | 47 |
24.2%
|
| 5 | NX | 45 |
23.2%
|
| not_available | Not available, Non-applicable | 37 |
19.1%
|