Secondary education, duration (years) is the number of grades (years) in secondary school.
| तिथि | मान | बदले , % |
|---|---|---|
| 2019 | 5.0 | 0.00% |
| 2018 | 5.0 | 0.00% |
| 2016 | 5.0 | 0.00% |
| 2015 | 5.0 | 0.00% |
| 2014 | 5.0 | 0.00% |
| 2013 | 5.0 | 0.00% |
| 2012 | 5.0 | 0.00% |
| 2011 | 5.0 | 0.00% |
| 2010 | 5.0 | 0.00% |
| 2009 | 5.0 | 0.00% |
| 2008 | 5.0 | 0.00% |
| 2007 | 5.0 |