| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0 times | 2362 |
82.6%
|
| 2 | 1 or 2 times | 299 |
10.5%
|
| 3 | 3 to 9 times | 126 |
4.4%
|
| 4 | 10 or more times | 71 |
2.5%
|
| Sysmiss | 291 |