| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0 times | 1231 |
70.7%
|
| 2 | 1 or 2 times | 343 |
19.7%
|
| 3 | 3 to 9 times | 90 |
5.2%
|
| 4 | 10 or more times | 76 |
4.4%
|
| Sysmiss | 80 |