changing column names in histogram of responses in Likert scale survey that used discrete bubbles, as opposed to a sliding scale

[Emilia Askari and Beth Hanes]

Hello, Google chart users. 

We're trying to create a histogram chart of responses to a survey that used a Likert scale with discrete bubbles, 1 = Strongly Disagree, Disagree, Neutral, Agree, 5 = Strongly Agree. 

We're getting a chart with columns labeled 1.0, 1.9, 2.8, 3.7, 4.6, 5.5. We want to display a 1 under the first column, 2 under the second column, etc. How do we change that? Thanks!