| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0 times | 1507 |
74.8%
|
| 2 | 1 or 2 times | 245 |
12.2%
|
| 3 | 3 to 9 times | 133 |
6.6%
|
| 4 | 10 or more times | 129 |
6.4%
|
| Sysmiss | 23 |