| قيمة | فئة | حالات | |
|---|---|---|---|
| 1 | 6945 |
36.9%
|
|
| 2 | 2744 |
14.6%
|
|
| 3 | 720 |
3.8%
|
|
| 4 | 258 |
1.4%
|
|
| 5 | 80 |
0.4%
|
|
| 6 | 20 |
0.1%
|
|
| 7 | 2 |
0%
|
|
| 8 | 4 |
0%
|
|
| NULL | 8038 |
42.7%
|