| Value | Category | Cases | |
|---|---|---|---|
| 0 | 5 |
0.1%
|
|
| 1 | 8 |
0.1%
|
|
| 2 | 2 |
0%
|
|
| 98 | Don't know | 0 |
0%
|
| 99 | Refused | 0 |
0%
|
| b | 8200 |
99.7%
|
|
| d | 8 |
0.1%
|