| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0 times | 2685 |
82.5%
|
| 2 | 1 or 2 times | 382 |
11.7%
|
| 3 | 3 to 9 times | 118 |
3.6%
|
| 4 | 10 or more times | 70 |
2.2%
|
| Sysmiss | 131 |