Answer distribution
1.1.2019-9.11.2019Year 2020Year 2019Year 2018Year 2017Year 2016Year 2015Year 2014Year 2013Year 2012
11.05.10.73.52.300000
230.456.427.932.439.800000
320.617.917.924.125.900000
434.310.334.325.320.800000
511.810.317.113.510.200000

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)