0%
5%
10%
15%
20%
25%
30%
35%
40%
45%
50%
55%
60%
Jan 2011
Jan 2012
Jan 2013
Jan 2014
Jan 2015
Jan 2016
Jan 2017
Jan 2018
Jan 2019
Approve
Disapprove
Undecided
Undecided
Approve
Disapprove
