| Value | Category | Cases | |
|---|---|---|---|
| 1 | 1 | 29 |
2.2%
|
| 2 | 10 | 76 |
5.7%
|
| 3 | 11 | 42 |
3.2%
|
| 4 | 12 | 29 |
2.2%
|
| 5 | 13 | 12 |
0.9%
|
| 6 | 14 | 10 |
0.8%
|
| 7 | 15 | 3 |
0.2%
|
| 8 | 16+ | 2 |
0.2%
|
| 9 | 2 | 83 |
6.2%
|
| 10 | 3 | 133 |
10%
|
| 11 | 4 | 176 |
13.2%
|
| 12 | 5 | 178 |
13.4%
|
| 13 | 6 | 169 |
12.7%
|
| 14 | 7 | 137 |
10.3%
|
| 15 | 8 | 131 |
9.8%
|
| 16 | 9 | 119 |
8.9%
|
| Missing value | 3 |
0.2%
|