| Value | Category | Cases | |
|---|---|---|---|
| -3 | INAP; No spouse | 533 |
35.6%
|
| -2 | No answer | 4 |
0.3%
|
| 1 | Lower | 355 |
23.7%
|
| 2 | Middle | 324 |
21.6%
|
| 3 | Higher | 283 |
18.9%
|