| Value | Category | Cases | |
|---|---|---|---|
| 0 | Pre-primay | 3 |
1.4%
|
| 1 | Primary | 34 |
15.7%
|
| 2 | Unclassified | 0 |
0%
|
| 5 | Missing | 2 |
0.9%
|
| 9 | NA | 177 |
81.9%
|