| Value | Category | Cases | |
|---|---|---|---|
| 1 | None | 0 |
0%
|
| 2 | Once | 43 |
1.8%
|
| 3 | Three times | 1546 |
65%
|
| 4 | Five times | 216 |
9.1%
|
| 5 | Until all repeat | 566 |
23.8%
|
| 98 | Other | 9 |
0.4%
|
| Sysmiss | 947 |