| Value | Category | Cases | |
|---|---|---|---|
| 1 | 50/50 | 2051 |
57.5%
|
| 2 | 40/60 | 470 |
13.2%
|
| 3 | 20/80 | 406 |
11.4%
|
| 4 | 0/100 | 641 |
18%
|
| 77 | refuse | 0 |
0%
|
| 88 | don't know | 0 |
0%
|
| 99 | missing | 0 |
0%
|
| Sysmiss | 1402 |