| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0 times | 2687 |
91.4%
|
| 2 | 1 or 2 times | 150 |
5.1%
|
| 3 | 3 to 9 times | 81 |
2.8%
|
| 4 | 10 to 19 times | 10 |
0.3%
|
| 5 | 20 or more times | 12 |
0.4%
|
| Sysmiss | 119 |