| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0 times | 1914 |
87%
|
| 2 | 1 or 2 times | 187 |
8.5%
|
| 3 | 3 to 9 times | 53 |
2.4%
|
| 4 | 10 or more times | 45 |
2%
|
| Sysmiss | 66 |