Answer distribution
1.1.2017-18.6.2019Year 2020Year 2019Year 2018Year 2017Year 2016Year 2015Year 2014Year 2013Year 2012
121.820.020.017.926.300000
247.665.055.046.349.500000
315.30.08.817.913.700000
410.05.07.511.98.400000
54.75.07.56.02.100000

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)