|
Former teacher
|
Current teacher
|
|
Web instrument
|
Web instrument
|
|
Paper instrument |
Paper response |
Web response |
Paper instrument |
Paper response |
Web response |
| Total number of teachers |
116,000
(7,800) |
158,000
(15,900) |
59,000
(8,200) |
1,138,000
(47,800) |
1,739,000
(46,700) |
471,000
(26,900) |