| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0 times | 997 |
94.3%
|
| 2 | 1 or 2 times | 40 |
3.8%
|
| 3 | 3 to 9 times | 11 |
1%
|
| 4 | 10 or more times | 9 |
0.9%
|
| Sysmiss | 24 |