Secondary education, duration (years) is the number of grades (years) in secondary school.
| Data | Valor | Modificar, % |
|---|---|---|
| 2019 | 6,0 | 0,00% |
| 2018 | 6,0 | 0,00% |
| 2015 | 6,0 | 0,00% |
| 2014 | 6,0 | 0,00% |
| 2013 | 6,0 | -14,29% |
| 2012 | 7,0 | 0,00% |
| 2011 | 7,0 | 0,00% |
| 2010 | 7,0 | 0,00% |
| 2009 | 7,0 | 0,00% |
| 2008 | 7,0 | 0,00% |
| 2007 | 7,0 | 0,00% |
| 2006 | 7,0 |