Answer distribution
1.1.2013-23.8.2019Year 2020Year 2019Year 2018Year 2017Year 2016Year 2015Year 2014Year 2013Year 2012
172.068.264.774.474.900000
223.427.331.120.321.100000
31.30.02.52.31.200000
42.04.51.71.51.800000
50.30.00.00.00.600000

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)