| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0 times | 2507 |
85.7%
|
| 2 | 1 time | 266 |
9.1%
|
| 3 | 2 or 3 times | 103 |
3.5%
|
| 4 | 4 or 5 times | 31 |
1.1%
|
| 5 | 6 or more times | 20 |
0.7%
|
| Sysmiss | 21 |