| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0 times | 3273 |
87.4%
|
| 2 | 1 or 2 times | 160 |
4.3%
|
| 3 | 3 to 9 times | 121 |
3.2%
|
| 4 | 10 to 19 times | 51 |
1.4%
|
| 5 | 20 or more times | 140 |
3.7%
|
| Sysmiss | 87 |