Answer distribution
1.1.2018-26.6.2019Year 2020Year 2019Year 2018Year 2017Year 2016Year 2015Year 2014Year 2013Year 2012
12.91.02.92.93.300000
260.362.358.261.462.400000
318.715.619.218.718.100000
413.414.514.812.212.700000
54.05.74.63.83.400000

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)