Answer distribution
1.1.2017-18.6.2019Year 2020Year 2019Year 2018Year 2017Year 2016Year 2015Year 2014Year 2013Year 2012
18.416.05.312.49.000000
274.052.073.774.470.300000
36.620.07.43.19.700000
48.18.011.67.87.600000
52.24.01.12.32.800000

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)