Answer distribution
1.1.2018-11.1.2019Year 2020Year 2019Year 2018Year 2017Year 2016Year 2015Year 2014Year 2013Year 2012
16.36.80.06.38.900000
250.562.2100.050.542.200000
313.716.20.013.717.800000
416.810.80.016.824.400000
510.54.10.010.56.700000

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)