| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0 times | 2187 |
91.8%
|
| 2 | 1 or 2 times | 82 |
3.4%
|
| 3 | 3 to 9 times | 51 |
2.1%
|
| 4 | 10 to 19 times | 24 |
1%
|
| 5 | 20 or more times | 39 |
1.6%
|
| Sysmiss | 361 |