DUO
- PO School branches
-
2010
430
-
2011
418
-
2012
7257
-
2013
7196
-
2014
7105
-
2015
7376
- PO School boards
-
2009
399
-
2010
434
-
2011
434
-
2012
1400
-
2013
434
-
2014
400
-
2015
1083
- PO Schools
-
2007
516
-
2008
516
-
2009
631
-
2010
629
-
2011
634
-
2012
663
-
2013
661
-
2014
659
-
2015
873
- VO School branches
-
2010
1336
-
2011
1361
-
2012
1393
-
2013
1416
-
2014
1434
-
2015
1403
- VO School boards
-
2009
44
-
2010
356
-
2011
352
-
2012
349
-
2013
300
-
2014
44
-
2015
341
- VO Schools
-
2007
516
-
2008
516
-
2009
631
-
2010
629
-
2011
634
-
2012
663
-
2013
661
-
2014
659
-
2015
873
- PaO Collaborations
- Mbo Boards
- Mbo Institutions
-
2010
71
-
2011
71
-
2012
71
-
2013
69
-
2014
73
-
2015
69
- Ho Boards
- Ho Institutions