| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0 times | 2109 |
88.8%
|
| 2 | 1 or 2 times | 107 |
4.5%
|
| 3 | 3 to 9 times | 73 |
3.1%
|
| 4 | 10 to 19 times | 29 |
1.2%
|
| 5 | 20 or more times | 57 |
2.4%
|
| Sysmiss | 47 |