| Value | Category | Cases | |
|---|---|---|---|
| 1 | Yes | 43 |
2.7%
|
| 2 | No | 2 |
0.1%
|
| 8 | Don't know | 1 |
0.1%
|
| 88 | N/A | 1512 |
95.6%
|
| 99 | Unknown | 23 |
1.5%
|