Answer distribution
1.1.2014-6.8.2020Year 2020Year 2019Year 2018Year 2017Year 2016Year 2015Year 2014Year 2013Year 2012
191.986.090.391.794.300000
24.45.05.33.04.000000
31.74.02.43.01.000000
40.51.00.00.90.000000

Choices for answers

  1. No, I don’t (value when calculating levels: -2.0)
  2. Yes, I know how to use it myself (value when calculating levels: 0.0)
  3. Yes, I can show to students (value when calculating levels: 1.0)
  4. Yes, I can utilize with students in various ways (value when calculating levels: 2.0)