Items | 2009 | 2010 | 2011 | 2012 | 2013 | 2014 |
Infancy (pupil-age) teaching second stage | 179 | 322 | 399 | 523 | 739 | 1100 |
Infancy (pupil-age) teaching first stage | 858 | 1055 | 1560 | 2166 | 2668 | 3434 |
Infancy (pupil-age) teaching high stage | 457 | 548 | 793 | 1587 | 1245 | 1738 |
Middle school high stage | 0 | 2 | 4 | 9 | 9 | 11 |
Unrated | 1888 | 2676 | 3045 | 3784 | 5217 | 6568 |
Ratio of intermediate above | 13.51 | 11.95 | 13.74 | 19.78 | 12.69 | 13.61 |
Ratio of unrated | 55.82 | 58.14 | 52.49 | 46.89 | 52.81 | 51.11 |