| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0 times | 6183 |
82.9%
|
| 2 | 1 or 2 times | 477 |
6.4%
|
| 3 | 3 to 9 times | 290 |
3.9%
|
| 4 | 10 to 19 times | 168 |
2.3%
|
| 5 | 20 or more times | 336 |
4.5%
|
| Sysmiss | 122 |