| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0 times | 2058 |
82.2%
|
| 2 | 1 or 2 times | 383 |
15.3%
|
| 3 | 3 to 9 times | 39 |
1.6%
|
| 4 | 10 or more times | 23 |
0.9%
|
| Sysmiss | 187 |