| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0 times | 929 |
86.3%
|
| 2 | 1 or 2 times | 58 |
5.4%
|
| 3 | 3 to 9 times | 37 |
3.4%
|
| 4 | 10 to 19 times | 12 |
1.1%
|
| 5 | 20 or more times | 41 |
3.8%
|
| Sysmiss | 41 |