| Value | Category | Cases | |
|---|---|---|---|
| 0 | 2 |
0.4%
|
|
| 1 | 49 |
9.7%
|
|
| 2 | 11 |
2.2%
|
|
| 3 | 4 |
0.8%
|
|
| 4 | 2 |
0.4%
|
|
| 5 | 6 |
1.2%
|
|
| 6 | 3 |
0.6%
|
|
| 7 | 4 |
0.8%
|
|
| 8 | 2 |
0.4%
|
|
| 10 | 6 |
1.2%
|
|
| 11 | 3 |
0.6%
|
|
| 15 | 1 |
0.2%
|
|
| 18 | 1 |
0.2%
|
|
| 41 | 1 |
0.2%
|
|
| Missing value | 411 |
81.2%
|