| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0 times | 2660 |
90.7%
|
| 2 | 1 or 2 times | 140 |
4.8%
|
| 3 | 3 to 9 times | 79 |
2.7%
|
| 4 | 10 to 19 times | 28 |
1%
|
| 5 | 20 or more times | 27 |
0.9%
|
| Sysmiss | 33 |