| Value | Category | Cases | |
|---|---|---|---|
| 1 | Never | 4 |
0.1%
|
| 2 | 6 |
0.2%
|
|
| 3 | 16 |
0.4%
|
|
| 4 | 53 |
1.5%
|
|
| 5 | 181 |
5%
|
|
| 6 | Always | 3080 |
85.1%
|
| 9 | Missing | 274 |
7.6%
|
| 98 | 1 |
0%
|
|
| 99 | 4 |
0.1%
|