Answer distribution
1.1.2019-13.6.2021Year 2021Year 2020Year 2019Year 2018Year 2017Year 2016Year 2015Year 2014Year 2013Year 2012
187.668.983.794.494.194.600000
23.74.94.82.83.03.500000
37.526.28.72.32.51.600000

Choices for answers

  1. No (value when calculating levels: -2.0)
  2. Yes, but only only lesson-like (value when calculating levels: 0.0)
  3. Yes, interactively with students (value when calculating levels: 2.0)