1 - | Percentages may not sum to 100% as those whose educational attainment levels are unknown are excluded. |
2 - | Data refer to Serbia and Montenegro prior to its separation into two independent states in June 2006. |
.. | Data not available |
(.) | Greater (or less) than zero but small enough to be rounded off to zero at the displayed number of decimal points |
< | Less than |
- | Not applicable |
T | Total |