| قيمة | فئة | حالات | |
|---|---|---|---|
| 0 | missing | 2893 |
78.8%
|
| 1 | 518 |
14.1%
|
|
| 2 | 153 |
4.2%
|
|
| 3 | 67 |
1.8%
|
|
| 4 | 17 |
0.5%
|
|
| 5 | 8 |
0.2%
|
|
| 6 | 2 |
0.1%
|
|
| 7 | 4 |
0.1%
|
|
| 8 | 2 |
0.1%
|
|
| 10 | 2 |
0.1%
|
|
| 15 | 2 |
0.1%
|
|
| 20 | 1 |
0%
|