| Valeur | Catégorie | le cas | |
|---|---|---|---|
| 0 | less than 1 year completed | 0 |
0%
|
| 1 | 2 |
20%
|
|
| 2 | 1 |
10%
|
|
| 3 | 4 |
40%
|
|
| 4 | 2 |
20%
|
|
| 5 | 1 |
10%
|
|
| 98 | don't know | 0 |
0%
|
| Sysmiss | 13241 |