| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0 times | 3705 |
89.9%
|
| 2 | 1 or 2 times | 191 |
4.6%
|
| 3 | 3 to 9 times | 99 |
2.4%
|
| 4 | 10 to 19 times | 49 |
1.2%
|
| 5 | 20 or more times | 78 |
1.9%
|
| Sysmiss | 252 |