| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0 times | 2018 |
91.9%
|
| 2 | 1 time | 105 |
4.8%
|
| 3 | 2 or 3 times | 43 |
2%
|
| 4 | 4 or 5 times | 19 |
0.9%
|
| 5 | 6 or more times | 10 |
0.5%
|
| Sysmiss | 5 |