| Value | Category | Cases | |
|---|---|---|---|
| 0 | 1506 |
23.1%
|
|
| 1 | 3103 |
47.6%
|
|
| 2 | 1720 |
26.4%
|
|
| 3 | 146 |
2.2%
|
|
| 4 | 17 |
0.3%
|
|
| 5 | 7 |
0.1%
|
|
| 6 | 1 |
0%
|
|
| 7 | 1 |
0%
|
|
| 10 | 1 |
0%
|
|
| 11 | 1 |
0%
|
|
| 20 | 2 |
0%
|
|
| 96 | other | 8 |
0.1%
|
| 98 | don't know | 0 |
0%
|