| Value | Category | Cases | |
|---|---|---|---|
| 1 | Zero | 43 |
0.4%
|
| 2 | Once | 70 |
0.6%
|
| 3 | Twice | 240 |
2%
|
| 4 | Thrice | 356 |
2.9%
|
| 5 | Four times | 445 |
3.6%
|
| 6 | Five times | 674 |
5.5%
|
| 7 | More than five times | 10418 |
85.1%
|
| Sysmiss | 5 |