| Value | Category | Cases | |
|---|---|---|---|
| -3 | INAP; No spouse | 255 |
21.2%
|
| -2 | No answer | 2 |
0.2%
|
| 1 | Lower | 374 |
31.1%
|
| 2 | Middle | 347 |
28.8%
|
| 3 | Higher | 225 |
18.7%
|