| Value | Category | Cases | |
|---|---|---|---|
| 1 | None | 2 |
0.2%
|
| 2 | 1 to 12 | 2 |
0.2%
|
| 3 | 13 or more | 2 |
0.2%
|
| 4 | Don’t know | 0 |
0%
|
| 8 | Not applicable | 992 |
99.4%
|
| 9 | Unspecified | 0 |
0%
|