| Value | Category | Cases | |
|---|---|---|---|
| 1 | 1 | 83 |
4.7%
|
| 2 | 2 | 149 |
8.4%
|
| 3 | 3 | 227 |
12.8%
|
| 4 | 4 | 317 |
17.8%
|
| 5 | 5 | 301 |
16.9%
|
| 6 | 6 | 258 |
14.5%
|
| 7 | 7 | 157 |
8.8%
|
| 8 | 8 | 92 |
5.2%
|
| 9 | 9 | 48 |
2.7%
|
| 10 | 10 | 31 |
1.7%
|
| 11 | 11 | 11 |
0.6%
|
| 12 | 12 | 13 |
0.7%
|
| 13 | 13 | 4 |
0.2%
|
| 14 | 14 | 1 |
0.1%
|
| 15 | 15 | 2 |
0.1%
|
| 16 | 16 | 2 |
0.1%
|
| 17 | 18 | 2 |
0.1%
|
| Missing value | 80 |
4.5%
|