| Value | Category | Cases | |
|---|---|---|---|
| 1 | -98 | 48 |
15.1%
|
| 2 | 15 | 1 |
0.3%
|
| 3 | 16 | 5 |
1.6%
|
| 4 | 17 | 3 |
0.9%
|
| 5 | 18 | 50 |
15.7%
|
| 6 | 19 | 16 |
5%
|
| 7 | 20 | 36 |
11.3%
|
| 8 | 21 | 15 |
4.7%
|
| 9 | 22 | 16 |
5%
|
| 10 | 23 | 5 |
1.6%
|
| 11 | 24 | 3 |
0.9%
|
| 12 | 25 | 22 |
6.9%
|
| 13 | 26 | 3 |
0.9%
|
| 14 | 27 | 1 |
0.3%
|
| 15 | 28 | 1 |
0.3%
|
| 16 | 30 | 5 |
1.6%
|
| 17 | 35 | 1 |
0.3%
|
| Missing value | 87 |
27.4%
|