| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0 times | 2002 |
94%
|
| 2 | 1 or 2 times | 75 |
3.5%
|
| 3 | 3 to 9 times | 28 |
1.3%
|
| 4 | 10 or more times | 25 |
1.2%
|
| Sysmiss | 78 |