| Value | Category | Cases | |
|---|---|---|---|
| 0 | 641 |
2.8%
|
|
| 1 | 263 |
1.1%
|
|
| 2 | 1040 |
4.5%
|
|
| 3 | 732 |
3.2%
|
|
| 4 | 712 |
3.1%
|
|
| 5 | 864 |
3.7%
|
|
| 6 | 340 |
1.5%
|
|
| 7 | 18494 |
79.9%
|
|
| Missing value | 52 |
0.2%
|