| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0 times | 2160 |
87.3%
|
| 2 | 1 or 2 times | 108 |
4.4%
|
| 3 | 3 to 9 times | 70 |
2.8%
|
| 4 | 10 to 19 times | 33 |
1.3%
|
| 5 | 20 or more times | 102 |
4.1%
|
| Sysmiss | 48 |