| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0 times | 2755 |
81.1%
|
| 2 | 1 or 2 times | 429 |
12.6%
|
| 3 | 3 to 9 times | 122 |
3.6%
|
| 4 | 10 or more times | 90 |
2.7%
|
| Sysmiss | 10 |