| قيمة | فئة | حالات | |
|---|---|---|---|
| 0 | 339 |
70.3%
|
|
| 1 | 8 |
1.7%
|
|
| 2 | 1 |
0.2%
|
|
| 3 | 1 |
0.2%
|
|
| 5 | 1 |
0.2%
|
|
| 7 | 1 |
0.2%
|
|
| NULL | 131 |
27.2%
|