| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0 times | 2038 |
84.7%
|
| 2 | 1 or 2 times | 250 |
10.4%
|
| 3 | 3 to 9 times | 66 |
2.7%
|
| 4 | 10 or more times | 52 |
2.2%
|
| Sysmiss | 134 |