| Value | Category | Cases | |
|---|---|---|---|
| 1 | oecd | 0 |
0%
|
| 2 | non-oecd | 1991 |
100%
|
| -5 | Missing; Unknown | 0 | |
| -4 | Not asked | 0 | |
| -3 | Not applicable | 0 | |
| -2 | No answer | 0 | |
| -1 | Don´t know | 0 |