Wireless service complaint made in the past 12 months

This line graph shows the proportion of people who have made a wireless service complaint in the past 12 months over time. The 1111 respondents in the 2018 survey answered as follows:

The 1277 respondents in the fall 2016 survey answered as follows:

The 925 respondents in the spring 2016 survey answered as follows:

The 1005 respondents in the 2015 survey answered as follows:

The 1016 respondents in the 2014 survey answered as follows: