| Value | Category | Cases | |
|---|---|---|---|
| 0 | No | 76 |
5.5%
|
| 1 | Once | 75 |
5.5%
|
| 2 | Few | 621 |
45.3%
|
| 3 | Many | 600 |
43.7%
|
| Sysmiss | 6488 |