[Python] plot-likert not printing labels for smaller values

I have the below code as per https://github.com/nmalkin/plot-likert/blob/release/docs/guide.ipynb

!pip install plot_likert

import plot_likert
import pandas as pd
import matplotlib.pyplot as plt

precomputed_counts2 = pd.DataFrame(
{'Strongly disagree': {'Q1': 3.0},
'Disagree': {'Q1': 9.0},
'Neither agree nor disagree': {'Q1': 13.0},
'Agree': {'Q1': 69.0},
'Strongly agree': {'Q1': 31.0}}
)
precomputed_counts2

ax=plot_likert.plot_counts(precomputed_counts2, plot_likert.scales.agree,colors=plot_likert.colors.likert6,bar_labels_color="black",bar_labels="count");
ax.figure.set_size_inches(12, 2)
ax.xaxis.set_label_text('Difficulty Level of Questions');


And the Output is as below: The output has labels but not for Strongly Disagree

How to ensure all options have the data labels in the plot?

I tried to increase the value of Strongly Disagree from 3 to 15 and it does show up as data label in the output.

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