初级学年指国际教育分类标准（ISCED）学制中初等教育全日制等量时间的年数。
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| 日期 | 值 | 修改, % |
|---|---|---|
| 2016 | 6.0 | 0.00% |
| 2015 | 6.0 | 0.00% |
| 2014 | 6.0 | 0.00% |
| 2013 | 6.0 | 0.00% |
| 2012 | 6.0 | 0.00% |
| 2011 | 6.0 | 0.00% |
| 2010 | 6.0 | 0.00% |
| 2009 | 6.0 | 0.00% |
| 2008 | 6.0 | 0.00% |
| 2007 | 6.0 | 0.00% |
| 2006 | 6.0 | 0.00% |
| 2005 | 6.0 |