| Value | Category | Cases | |
|---|---|---|---|
| 0 | 570 |
14%
|
|
| 1 | 42 |
1%
|
|
| 2 | 31 |
0.8%
|
|
| 3 | 22 |
0.5%
|
|
| 4 | 15 |
0.4%
|
|
| 5 | 16 |
0.4%
|
|
| 6 | 14 |
0.3%
|
|
| 7 | 11 |
0.3%
|
|
| 8 | 6 |
0.1%
|
|
| 10 | 3 |
0.1%
|
|
| 13 | 2 |
0%
|
|
| 20 | 1 |
0%
|
|
| 21 | 1 |
0%
|
|
| Missing value | 3335 |
82%
|