| Value | Category | Cases | |
|---|---|---|---|
| 0 | 318 |
12.1%
|
|
| 1 | 527 |
20.1%
|
|
| 2 | 233 |
8.9%
|
|
| 3 | 45 |
1.7%
|
|
| 4 | 7 |
0.3%
|
|
| 5 | 6 |
0.2%
|
|
| 6 | 1 |
0%
|
|
| Missing value | 1484 |
56.6%
|