Answer distribution
Year 2019Year 2018Year 2017Year 2016Year 2015Year 2014Year 2013Year 2012
119.320.817.400000
229.520.827.400000
328.531.731.100000
414.515.414.000000
57.79.79.800000

Choices for answers

  1. Not at all (value when calculating levels: -2.0)
  2. Less than 3h (value when calculating levels: -2.0)
  3. 3h - 6h (value when calculating levels: 0.0)
  4. 6h - 2 days (value when calculating levels: 1.0)
  5. More than 2 days (value when calculating levels: 2.0)