| value | category | cases | |
|---|---|---|---|
| 0 | 431 |
4.1%
|
|
| 1 | 1438 |
13.5%
|
|
| 2 | 612 |
5.8%
|
|
| 3 | 341 |
3.2%
|
|
| 4 | 4+ | 583 |
5.5%
|
| 5 | Never used | 7219 |
67.9%
|
| 9 | 21 |