| Value | Category | Cases | Weighted | |
|---|---|---|---|---|
| 0 | None | 583 | 580 |
99.5%
|
| 997 | 997 or more | 3 | 3 |
0.5%
|
| 998 | Don't know | 1 | 1 | |
| 999 | Not applicable | 1 | 1 |