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