| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0 times | 2001 |
87.5%
|
| 2 | 1 or 2 times | 106 |
4.6%
|
| 3 | 3 to 9 times | 70 |
3.1%
|
| 4 | 10 to 19 times | 35 |
1.5%
|
| 5 | 20 or more times | 75 |
3.3%
|
| Sysmiss | 114 |