| Value | Category | Cases | |
|---|---|---|---|
| -3 | INAP; No spouse | 1013 |
25.2%
|
| -1 | Don't know | 205 |
5.1%
|
| 1 | Lower | 231 |
5.7%
|
| 2 | Middle | 1186 |
29.5%
|
| 3 | Higher | 1383 |
34.4%
|