| Value | Category | Cases | |
|---|---|---|---|
| 0 | 7 |
0.2%
|
|
| 1 | 654 |
19.6%
|
|
| 2 | 1785 |
53.4%
|
|
| 3 | 532 |
15.9%
|
|
| 4 | 239 |
7.2%
|
|
| 5 | 70 |
2.1%
|
|
| 6 | 30 |
0.9%
|
|
| 7 | 13 |
0.4%
|
|
| 8 | 4 |
0.1%
|
|
| 10 | 1 |
0%
|
|
| 11 | 4 |
0.1%
|
|
| 13 | 1 |
0%
|
|
| 20 | 1 |
0%
|
|
| Missing value | 2 |