| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0 times | 2421 |
92.8%
|
| 2 | 1 or 2 times | 129 |
4.9%
|
| 3 | 3 to 9 times | 37 |
1.4%
|
| 4 | 10 or more times | 22 |
0.8%
|
| Sysmiss | 70 |