| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0 times | 1956 |
88.8%
|
| 2 | 1 or 2 times | 109 |
5%
|
| 3 | 3 to 9 times | 54 |
2.5%
|
| 4 | 10 to 19 times | 37 |
1.7%
|
| 5 | 20 or more times | 46 |
2.1%
|
| Sysmiss | 52 |