Answer distribution
Year 2018Year 2017Year 2016Year 2015Year 2014Year 2013Year 2012
154.364.800000
238.833.100000
34.70.700000
41.61.400000
50.00.000000

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)