Primary duration refers to the number of years of full-time equivalent duration in primary education in the school system according to ISCED.
| तिथि | मान | बदले , % |
|---|---|---|
| 2019 | 4.0 | 0.00% |
| 2018 | 4.0 | 0.00% |
| 2016 | 4.0 | 0.00% |
| 2015 | 4.0 | 0.00% |
| 2014 | 4.0 | 0.00% |
| 2013 | 4.0 | 0.00% |
| 2012 | 4.0 | 0.00% |
| 2011 | 4.0 | 0.00% |
| 2010 | 4.0 | 0.00% |
| 2009 | 4.0 | 0.00% |
| 2008 | 4.0 | 0.00% |
| 2007 | 4.0 |