Answer distribution
Year 2019
Year 2018
Year 2017
Year 2016
Year 2015
Year 2014
Year 2013
Year 2012
1
81.7
71.8
70.6
0
0
0
0
0
2
17.4
27.0
27.5
0
0
0
0
0
Choices for answers
No
(value when calculating levels: -2.0)
Yes
(value when calculating levels: 2.0)