| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0 times | 2436 |
86.4%
|
| 2 | 1 or 2 times | 199 |
7.1%
|
| 3 | 3 to 9 times | 80 |
2.8%
|
| 4 | 10 or more times | 104 |
3.7%
|
| Sysmiss | 150 |