| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0 times | 2558 |
91.3%
|
| 2 | 1 or 2 times | 100 |
3.6%
|
| 3 | 3 to 9 times | 49 |
1.7%
|
| 4 | 10 to 19 times | 31 |
1.1%
|
| 5 | 20 or more times | 63 |
2.2%
|
| Sysmiss | 108 |