| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have not received any | 510 |
69.1%
|
| 2 | 1 to 5 | 160 |
21.7%
|
| 3 | 5 to 10 | 45 |
6.1%
|
| 4 | More than 10 | 23 |
3.1%
|
| Sysmiss | 2017 |