| Value | Category | Cases | |
|---|---|---|---|
| -3 | INAP; No spouse | 461 |
14.4%
|
| -1 | Don't know | 6 |
0.2%
|
| 1 | Lower | 1664 |
52%
|
| 2 | Middle | 822 |
25.7%
|
| 3 | Higher | 247 |
7.7%
|