Answer distribution
1.1.2019-20.9.2020Year 2021Year 2020Year 2019Year 2018Year 2017Year 2016Year 2015Year 2014Year 2013Year 2012
127.225.622.327.826.129.800000
256.169.256.857.059.856.300000
37.20.09.56.46.66.300000
46.15.16.45.95.35.100000
52.40.02.82.11.92.100000

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)