| Value | Category | Cases | |
|---|---|---|---|
| 1 | None | 282 |
95.6%
|
| 2 | One | 6 |
2%
|
| 3 | Two | 2 |
0.7%
|
| 4 | Three | 3 |
1%
|
| 5 | More than three | 2 |
0.7%
|
| Sysmiss | 81 |