Answer distribution
1.1.2013-23.8.2019Year 2020Year 2019Year 2018Year 2017Year 2016Year 2015Year 2014Year 2013Year 2012
116.313.613.120.017.500000
262.268.262.363.757.900000
310.413.611.58.99.900000
47.84.510.75.98.800000
52.30.01.60.75.300000

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)