| قيمة | فئة | حالات | |
|---|---|---|---|
| 0 | Less than 1 | 3064 |
25.6%
|
| 1 | 1- | 7063 |
58.9%
|
| 2 | 2- | 1546 |
12.9%
|
| 3 | 3- | 223 |
1.9%
|
| 4 | 4+ | 92 |
0.8%
|