| Value | Category | Cases | |
|---|---|---|---|
| 0 | 69 |
0.4%
|
|
| 1 | 2364 |
14.2%
|
|
| 2 | 3293 |
19.7%
|
|
| 3 | 1430 |
8.6%
|
|
| 4 | 2740 |
16.4%
|
|
| 5 | 2631 |
15.8%
|
|
| 6 | 2138 |
12.8%
|
|
| 7 | 1970 |
11.8%
|
|
| Missing value | 60 |
0.4%
|