| Value | Category | Cases | |
|---|---|---|---|
| 0 | 53 |
6.5%
|
|
| 1 | 520 |
63.4%
|
|
| 2 | 186 |
22.7%
|
|
| 3 | 50 |
6.1%
|
|
| 4 | 8 |
1%
|
|
| 5 | 1 |
0.1%
|
|
| 6 | 1 |
0.1%
|
|
| 9 | 1 |
0.1%
|
|
| Missing value | 9 |