| Value |
Category |
| 1 |
Low income |
| 2 |
Lower middle income |
| 3 |
Upper middle income |
| 4 |
High income: OECD |
| 5 |
High income: nonOECD |
| Sysmiss |
|
Warning: these figures indicate the number of cases found in the data file. They cannot be interpreted as summary statistics of the population of interest.