| Value | Category | Cases | |
|---|---|---|---|
| 1 | 1 | 377 |
3.5%
|
| 2 | 2 | 313 |
2.9%
|
| 3 | 3 | 270 |
2.5%
|
| 4 | 4 | 230 |
2.2%
|
| 5 | 5 | 223 |
2.1%
|
| 6 | 6 | 134 |
1.3%
|
| 7 | 7 | 154 |
1.4%
|
| 8 | 8 | 160 |
1.5%
|
| 9 | 9 | 209 |
2%
|
| 10 | 10 | 202 |
1.9%
|
| 11 | 11 | 183 |
1.7%
|
| 12 | 12 | 225 |
2.1%
|
| Missing value | 7972 |
74.8%
|