| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0 times | 2691 |
92.4%
|
| 2 | 1 or 2 times | 155 |
5.3%
|
| 3 | 3 to 9 times | 41 |
1.4%
|
| 4 | 10 or more times | 24 |
0.8%
|
| Sysmiss | 101 |