| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0 times | 1690 |
80.4%
|
| 2 | 1 time | 240 |
11.4%
|
| 3 | 2 or 3 times | 102 |
4.9%
|
| 4 | 4 or 5 times | 37 |
1.8%
|
| 5 | 6 or more times | 33 |
1.6%
|
| Sysmiss | 18 |