Answer distribution
1.1.2018-18.6.2019Year 2021Year 2020Year 2019Year 2018Year 2017Year 2016Year 2015Year 2014Year 2013Year 2012
126.932.525.522.527.124.200000
264.358.465.065.464.566.400000
34.15.24.16.44.25.400000
43.32.63.34.02.93.100000
51.51.30.81.21.30.700000

Choices for answers

  1. Never (value when calculating levels: -2.0)
  2. In some lessons (value when calculating levels: -1.0)
  3. In about half of lessons (value when calculating levels: 0.0)
  4. In most of lessons (value when calculating levels: 1.0)
  5. In almost every lesson (value when calculating levels: 2.0)