| Value | Category | Cases | |
|---|---|---|---|
| 1 | 6 |
0%
|
|
| 6 | 2 |
0%
|
|
| 90 | 1 |
0%
|
|
| 98 | Do not know | 15 |
0.1%
|
| 99 | Unspecified | 20961 |
99.9%
|