| Valeur | Catégorie | le cas | |
|---|---|---|---|
| 1 | Yes, paid | 17 |
2.4%
|
| 2 | Yes, unpaid | 4 |
0.6%
|
| 3 | No | 672 |
95.9%
|
| 7 | Missing | 4 |
0.6%
|
| 9 | Don't know | 4 |
0.6%
|
| Sysmiss | 1815 |