| Value | Category | Cases | |
|---|---|---|---|
| -3 | INAP; No spouse | 290 |
23.6%
|
| -1 | Don't know | 76 |
6.2%
|
| 1 | Lower | 625 |
50.8%
|
| 2 | Middle | 135 |
11%
|
| 3 | Higher | 104 |
8.5%
|