| Valeur | Catégorie | le cas | |
|---|---|---|---|
| 0 | < 1 year completed | 0 |
0%
|
| 1 | 195 |
78.6%
|
|
| 2 | 39 |
15.7%
|
|
| 3 | 11 |
4.4%
|
|
| 4 | 3 |
1.2%
|
|
| 98 | DK | 0 |
0%
|
| 99 | 1 | ||
| Sysmiss | 2003 |