Answer distribution
1.1.2014-6.8.2020Year 2020Year 2019Year 2018Year 2017Year 2016Year 2015Year 2014Year 2013Year 2012
116.916.317.512.918.300000
256.764.456.155.455.900000
314.48.711.318.913.700000
48.15.811.38.28.200000
53.11.92.44.33.900000

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)