Answer distribution
1.1.2018-18.6.2019Year 2020Year 2019Year 2018Year 2017Year 2016Year 2015Year 2014Year 2013Year 2012
16.35.66.36.35.900000
265.362.665.164.766.700000
314.315.814.214.414.700000
410.711.910.911.09.700000
52.73.42.92.62.500000

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)