| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0 times | 3006 |
93.4%
|
| 2 | 1 time | 150 |
4.7%
|
| 3 | 2 or 3 times | 35 |
1.1%
|
| 4 | 4 or 5 times | 17 |
0.5%
|
| 5 | 6 or more times | 12 |
0.4%
|
| Sysmiss | 42 |