Description:
Change in categories.
From:
| 1 | Without schooling and less than 5 years |
| 2 | 5 to 8 years |
| 3 | 9 to 11 years |
| 4 | 12 or more years |
| Not applicable |
To:
| 1 | Without schooling and less than 1 year of schooling |
| 2 | 1 to 4 years of schooling |
| 3 | 5 to 8 years of schooling |
| 4 | 9 to 11 years of schooling |
| 5 | 12 to 15 years of schooling |
| 6 | 16 or more years of schooling |
| Not applicable |
Actions: Files corrected and replaced.