| Value | Category | Cases | |
|---|---|---|---|
| -3 | INAP; No spouse | 277 |
21.5%
|
| -2 | No answer | 53 |
4.1%
|
| -1 | Don't know | 8 |
0.6%
|
| 1 | Lower | 99 |
7.7%
|
| 2 | Middle | 220 |
17.1%
|
| 3 | Higher | 632 |
49%
|