| Value | Category | Cases | |
|---|---|---|---|
| 0 | 150 |
10.5%
|
|
| 1 | 384 |
26.9%
|
|
| 2 | 182 |
12.7%
|
|
| 3 | 119 |
8.3%
|
|
| 4 | 4+ | 135 |
9.5%
|
| 5 | Never used | 458 |
32.1%
|
| 9 | 3 |