| Value | Category | Cases | |
|---|---|---|---|
| 0 | 22772 |
36.4%
|
|
| 1 | 21277 |
34%
|
|
| 2 | 7271 |
11.6%
|
|
| 3 | 4120 |
6.6%
|
|
| 4 | 4+ | 5348 |
8.5%
|
| 5 | never used | 1805 |
2.9%
|