| value | category | cases | |
|---|---|---|---|
| 0 | 931 |
7.5%
|
|
| 1 | 1280 |
10.3%
|
|
| 2 | 507 |
4.1%
|
|
| 3 | 306 |
2.5%
|
|
| 4 | 4+ | 634 |
5.1%
|
| 5 | Never used | 8797 |
70.6%
|
| 9 | 22 |