Answer distribution
1.1.2013-23.8.2019Year 2020Year 2019Year 2018Year 2017Year 2016Year 2015Year 2014Year 2013Year 2012
187.995.585.288.191.200000
27.84.59.87.45.800000
33.90.04.93.72.900000

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)