Answer distribution
1.1.2018-18.6.2019Year 2021Year 2020Year 2019Year 2018Year 2017Year 2016Year 2015Year 2014Year 2013Year 2012
154.268.453.658.152.354.500000
239.826.341.436.441.439.800000
31.92.62.52.62.22.400000
43.20.00.82.13.12.400000
50.71.30.00.50.70.400000

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)