| Valeur | Catégorie | le cas | |
|---|---|---|---|
| 0 | no | 53960 |
88.8%
|
| 1 | currently attending | 6594 |
10.9%
|
| 2 | attended at some time | 130 |
0.2%
|
| 9 | 82 |
0.1%
|