| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0 times | 2013 |
67.9%
|
| 2 | 1 time | 290 |
9.8%
|
| 3 | 2 or 3 times | 306 |
10.3%
|
| 4 | 4 or 5 times | 117 |
3.9%
|
| 5 | 6 or more times | 239 |
8.1%
|
| Sysmiss | 76 |