| Value | Category | Cases | |
|---|---|---|---|
| 0 | 719 |
23.5%
|
|
| 1 | 51 |
1.7%
|
|
| 2 | 63 |
2.1%
|
|
| 3 | 31 |
1%
|
|
| 4 | 31 |
1%
|
|
| 5 | 32 |
1%
|
|
| 6 | 4 |
0.1%
|
|
| 7 | 14 |
0.5%
|
|
| Missing value | 2113 |
69.1%
|