| Value | Category | Cases | |
|---|---|---|---|
| 1 | Almost none | 159 |
12%
|
| 2 | About 25% | 650 |
49.2%
|
| 3 | About half | 265 |
20.1%
|
| 4 | About 75% | 118 |
8.9%
|
| 5 | All | 129 |
9.8%
|
| Sysmiss | 161 |