| Value | Category | Cases | |
|---|---|---|---|
| -1 | Don't know | 0 |
0%
|
| 1 | Yes, in the SWP | 56 |
5.5%
|
| 2 | Yes, in the RSE | 13 |
1.3%
|
| 3 | Yes, in the PLS | 6 |
0.6%
|
| 4 | No | 940 |
92.6%
|