| Value | Category | Cases | |
|---|---|---|---|
| -3 | INAP; No spouse | 803 |
39.9%
|
| -2 | No answer | 5 |
0.2%
|
| -1 | Don't know | 5 |
0.2%
|
| 1 | Lower | 235 |
11.7%
|
| 2 | Middle | 393 |
19.5%
|
| 3 | Higher | 571 |
28.4%
|