| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0 times | 1508 |
84%
|
| 2 | 1 time | 171 |
9.5%
|
| 3 | 2 or 3 times | 59 |
3.3%
|
| 4 | 4 or 5 times | 30 |
1.7%
|
| 5 | 6 or more times | 28 |
1.6%
|
| Sysmiss | 24 |