Answer distribution
Year 2019
Year 2018
Year 2017
Year 2016
Year 2015
Year 2014
Year 2013
Year 2012
1
78.4
66.4
64.2
0
0
0
0
0
2
19.3
32.8
33.5
0
0
0
0
0
Choices for answers
No
(value when calculating levels: -2.0)
Yes
(value when calculating levels: 2.0)