| Value | Category | Cases | |
|---|---|---|---|
| 21 | 1 |
0.6%
|
|
| 28 | 1 |
0.6%
|
|
| 98 | Don't Remember | 16 |
10.1%
|
| 99 | N/A | 0 |
0%
|
| 999 | 140 |
88.6%
|