| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0 times | 2592 |
91.5%
|
| 2 | 1 time | 154 |
5.4%
|
| 3 | 2 or 3 times | 64 |
2.3%
|
| 4 | 4 or 5 times | 9 |
0.3%
|
| 5 | 6 or more times | 13 |
0.5%
|
| Sysmiss | 6 |