Answer distribution
1.1.2018-18.6.2019Year 2021Year 2020Year 2019Year 2018Year 2017Year 2016Year 2015Year 2014Year 2013Year 2012
12.92.63.83.12.63.300000
264.165.864.057.966.265.400000
316.518.413.019.316.115.700000
411.113.214.614.810.59.700000
55.40.02.94.84.65.700000

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)