Primary school pupil-teacher ratio is the number of pupils enrolled in primary school divided by the number of primary school teachers (regardless of their teaching assignment).
| Data | Valor | Modificar, % |
|---|---|---|
| 2014 | 20,9 | -1,46% |
| 2013 | 21,2 | 3,46% |
| 2012 | 20,5 | -3,61% |
| 2011 | 21,3 | -3,97% |
| 2010 | 22,2 | -2,11% |
| 2009 | 22,6 | -1,65% |
| 2008 | 23,0 | -3,49% |
| 2007 | 23,9 | 13,38% |
| 2005 | 21,0 | -1,60% |
| 2004 | 21,4 | -0,84% |
| 2003 | 21,6 | -3,52% |
| 2002 | 22,4 |