| Value | Category | Cases | |
|---|---|---|---|
| -3 | INAP; No spouse | 361 |
30.1%
|
| -2 | No answer | 7 |
0.6%
|
| 1 | Lower | 338 |
28.2%
|
| 2 | Middle | 310 |
25.8%
|
| 3 | Higher | 184 |
15.3%
|