| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0 times | 1572 |
88.3%
|
| 2 | 1 or 2 times | 80 |
4.5%
|
| 3 | 3 to 9 times | 57 |
3.2%
|
| 4 | 10 to 19 times | 25 |
1.4%
|
| 5 | 20 or more times | 46 |
2.6%
|
| Sysmiss | 40 |