| Value | Category | Cases | |
|---|---|---|---|
| 0 | 6263 |
53.3%
|
|
| 1 | 3527 |
30%
|
|
| 2 | 832 |
7.1%
|
|
| 3 | 360 |
3.1%
|
|
| 4 | 4+ | 346 |
2.9%
|
| 5 | never used | 431 |
3.7%
|