| Value | Category | Cases | |
|---|---|---|---|
| 1 | 131 |
7%
|
|
| 2 | 233 |
12.5%
|
|
| 3 | 421 |
22.6%
|
|
| 4 | 452 |
24.2%
|
|
| 5 | 327 |
17.5%
|
|
| 6 | 152 |
8.2%
|
|
| 7 | 72 |
3.9%
|
|
| 8 | 46 |
2.5%
|
|
| 9 | 11 |
0.6%
|
|
| 10 | 8 |
0.4%
|
|
| 11 | 5 |
0.3%
|
|
| 12 | 4 |
0.2%
|
|
| 13 | 1 |
0.1%
|
|
| 18 | 1 |
0.1%
|
|
| 30 | 1 |
0.1%
|
|
| Missing value | 10 |