| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0 times | 1676 |
88.9%
|
| 2 | 1 or 2 times | 146 |
7.7%
|
| 3 | 3 to 9 times | 38 |
2%
|
| 4 | 10 or more times | 25 |
1.3%
|
| Sysmiss | 274 |