| Value | Category | Cases | |
|---|---|---|---|
| 1950 | 1 |
12.5%
|
|
| 2000 | 1 |
12.5%
|
|
| 2007 | 1 |
12.5%
|
|
| 2010 | 1 |
12.5%
|
|
| 2022 | 1 |
12.5%
|
|
| 2024 | 1 |
12.5%
|
|
| 9998 | Don't know | 2 |
25%
|
| Sysmiss | 42004 |