| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0 times | 2936 |
82.3%
|
| 2 | 1 or 2 times | 236 |
6.6%
|
| 3 | 3 to 9 times | 156 |
4.4%
|
| 4 | 10 to 19 times | 84 |
2.4%
|
| 5 | 20 or more times | 155 |
4.3%
|
| Sysmiss | 62 |