| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0 times | 2193 |
88%
|
| 2 | 1 or 2 times | 210 |
8.4%
|
| 3 | 3 to 9 times | 47 |
1.9%
|
| 4 | 10 or more times | 42 |
1.7%
|
| Sysmiss | 70 |