| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0 times | 1231 |
88.9%
|
| 2 | 1 or 2 times | 77 |
5.6%
|
| 3 | 3 to 9 times | 36 |
2.6%
|
| 4 | 10 to 19 times | 13 |
0.9%
|
| 5 | 20 or more times | 28 |
2%
|
| Sysmiss | 87 |