stacked-bar-chart.tex

\documentclass[tikz, border=1cm]{standalone}

\usepackage{xcolor}
\usepackage{pgfplots}

\begin{document}
\begin{tikzpicture}

\definecolor{ACMLightBlue}{RGB}{131, 206, 226}
\definecolor{ACMGreen}{RGB}{166, 188, 9}

\begin{axis} [
ybar stacked,
x=14pt,
ymin=0,
xlabel={Publication Year},
ylabel={Included Publications},
x label style={at={(axis description cs:0.5,-0.10)},anchor=north},
xticklabel style={rotate=90},
ymajorgrids, 
enlarge x limits=0.03,
height=11cm,
nodes near coords,
every node near coord/.append style={font=\tiny,anchor=north,yshift=2pt}, % adjust yshift of labels in the bars
xtick distance = {1},
x tick label style={/pgf/number format/.cd,
	set thousands separator={},},
legend pos=north west,
legend cell align=left,
]

\addplot [draw=none, fill=ACMLightBlue, point meta=explicit symbolic] coordinates {
(1995,1) [1]
(1996,0) []
(1997,0) []
(1998,1) [1]
(1999,0) []
(2000,1) [1]
(2001,0) []
(2002,0) []
(2003,1) [1]
(2004,1) [1]
(2005,1) [1]
(2006,3) [3]
(2007,1) [1]
(2008,0) []
(2009,5) [5]
(2010,2) [2]
(2011,1) [1]
(2012,3) [3]
(2013,7) [7]
(2014,6) [6]
(2015,6) [6]
(2016,11) [11]
(2017,15) [15]
(2018,14) [14]
(2019,21) [21]
(2020,14) [14]
(2021,20) [20]
(2022,2) [2]
};

\addplot [draw=none, fill=ACMGreen, point meta=explicit symbolic] coordinates {
(1995,0) []
(1996,0) []
(1997,0) []
(1998,0) []
(1999,0) []
(2000,0) []
(2001,1) [1]
(2002,0) []
(2003,0) []
(2004,0) []
(2005,1) [1]
(2006,0) []
(2007,0) []
(2008,0) []
(2009,1) [1]
(2010,0) []
(2011,0) []
(2012,1) [1]
(2013,0) []
(2014,2) [2]
(2015,1) [1]
(2016,2) [2]
(2017,4) [4]
(2018,7) [7]
(2019,6) [6]
(2020,22) [22]
(2021,14) [14]
(2022, 16) [16]
};

\legend{White literature,Gray literature}

\end{axis}
 
\end{tikzpicture}

\end{document}