| Value | Category | Cases | |
|---|---|---|---|
| 1 | 20PER004 | 1 |
0.3%
|
| 2 | 20PER015 | 11 |
3.3%
|
| 3 | 20PER020 | 3 |
0.9%
|
| 4 | 20PER023 | 10 |
3%
|
| Missing value | 312 |
92.6%
|