| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0 times | 1369 |
58.1%
|
| 2 | 1 or 2 times | 630 |
26.8%
|
| 3 | 3 to 9 times | 228 |
9.7%
|
| 4 | 10 or more times | 128 |
5.4%
|
| Sysmiss | 185 |