% TikZ bar chart for messages-per-user graph
% Compile with: pdflatex
\documentclass[tikz,border=5pt]{standalone}
\usepackage{pgfplots}
\pgfplotsset{compat=1.18}

\begin{document}
\begin{tikzpicture}
  \begin{axis}[
    ybar,
    bar width=12pt,
    ymin=0,
    ymax=11,
    width=14cm,
    height=7cm,
    enlarge x limits=0.15,
    ylabel={Messages (approx units)},
    symbolic x coords={de-facto,mlu,bella,bot,Mathisen,linkyocarina,gurki,superkuh,HelenahTemp,others},
    xtick=data,
    xticklabel style={rotate=45,anchor=east,font=\small},
    axis x line*=bottom,
    axis y line*=left,
    ymajorgrids=true,
    grid style={dashed,gray!40},
  ]
    % Values derived from the rough "█" counts
    \addplot[fill=black!70] coordinates {
      (de-facto,10)
      (mlu,7)
      (bella,7)
      (bot,5)
      (Mathisen,5)
      (linkyocarina,4)
      (gurki,3)
      (superkuh,2)
      (HelenahTemp,2)
      (others,1)
    };
  \end{axis}
\end{tikzpicture}
\end{document}