| Value | Category |
|---|---|
| 1 | Social plan |
| 2 | Medical plan |
| 3 | Social plan and medical plan |
| 4 | Without social plan or medical plan |
| 5 | With social plan "I" medical plan |
| 6 | With medical plan "I" social plan |
| 7 | Without social plan "I" medical plan |
| 8 | Without medical plan "I" social plan |
| 9 | Unknown |