| Value | Category | Cases | |
|---|---|---|---|
| 1 | 1 | 53 |
3.2%
|
| 2 | 2 | 42 |
2.5%
|
| 3 | 3 | 732 |
43.9%
|
| 4 | 4 | 160 |
9.6%
|
| 5 | 5 | 20 |
1.2%
|
| 6 | 6 | 241 |
14.4%
|
| 7 | 8 | 19 |
1.1%
|
| 8 | 9 | 115 |
6.9%
|
| 9 | 10 | 5 |
0.3%
|
| 10 | 12 | 51 |
3.1%
|
| 11 | 13 | 1 |
0.1%
|
| 12 | 15 | 19 |
1.1%
|
| 13 | 16 | 8 |
0.5%
|
| 14 | 18 | 3 |
0.2%
|
| 15 | 20 | 2 |
0.1%
|
| 16 | 21 | 1 |
0.1%
|
| Missing value | 197 |
11.8%
|