| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0 times | 669 |
84.5%
|
| 2 | 1 or 2 times | 45 |
5.7%
|
| 3 | 3 to 9 times | 38 |
4.8%
|
| 4 | 10 to 19 times | 16 |
2%
|
| 5 | 20 or more times | 24 |
3%
|
| Sysmiss | 31 |