| Value | Category | Cases | |
|---|---|---|---|
| 1 | None | 500 |
44.1%
|
| 2 | One | 467 |
41.2%
|
| 3 | Two | 151 |
13.3%
|
| 4 | Three | 14 |
1.2%
|
| 5 | Four | 1 |
0.1%
|
| 6 | More than four | 0 |
0%
|
| Sysmiss | 1418 |