| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 0 | Same | 456 |
38.1%
|
| 1 | Different | 672 |
56.1%
|
| 9 | Don't know | 70 |
5.8%
|
| 98 | Refused | 0 |
0%
|