% This file was created by matplotlib2tikz v0.6.14.
\begin{tikzpicture}

\begin{axis}[
xlabel={Quarter},
ylabel={Vulnerabilities per quarter of package openjdk-7},
xmin=-1.225, xmax=20.225,
ymin=0, ymax=31.5,
width=\figurewidth,
height=\figureheight,
xtick={0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19},
xticklabels={1/'13,2/'13,3/'13,4/'13,1/'14,2/'14,3/'14,4/'14,1/'15,2/'15,3/'15,4/'15,1/'16,2/'16,3/'16,4/'16,1/'17,2/'17,3/'17,4/'17},
xticklabel style = {rotate=90},
tick pos=left,
x grid style={white!69.019607843137251!black},
y grid style={white!69.019607843137251!black},
legend cell align={left},
legend entries={{before openjdk-8},{after openjdk-8}}
]
\addlegendimage{ybar,ybar legend,draw=black,fill=blue!54.509803921568626!black};
\draw[draw=black,fill=blue!54.509803921568626!black] (axis cs:-0.25,0) rectangle (axis cs:0.25,0);
\draw[draw=black,fill=blue!54.509803921568626!black] (axis cs:0.75,0) rectangle (axis cs:1.25,30);
\draw[draw=black,fill=blue!54.509803921568626!black] (axis cs:1.75,0) rectangle (axis cs:2.25,0);
\draw[draw=black,fill=blue!54.509803921568626!black] (axis cs:2.75,0) rectangle (axis cs:3.25,1);
\draw[draw=black,fill=blue!54.509803921568626!black] (axis cs:3.75,0) rectangle (axis cs:4.25,2);
\draw[draw=black,fill=blue!54.509803921568626!black] (axis cs:4.75,0) rectangle (axis cs:5.25,23);
\draw[draw=black,fill=blue!54.509803921568626!black] (axis cs:5.75,0) rectangle (axis cs:6.25,15);
\draw[draw=black,fill=blue!54.509803921568626!black] (axis cs:6.75,0) rectangle (axis cs:7.25,11);
\draw[draw=black,fill=blue!54.509803921568626!black] (axis cs:7.75,0) rectangle (axis cs:8.25,12);
\draw[draw=black,fill=blue!54.509803921568626!black] (axis cs:8.75,0) rectangle (axis cs:9.25,8);
\draw[draw=black,fill=blue!54.509803921568626!black] (axis cs:9.75,0) rectangle (axis cs:10.25,0);
\draw[draw=black,fill=blue!54.509803921568626!black] (axis cs:10.75,0) rectangle (axis cs:11.25,0);
\draw[draw=black,fill=blue!54.509803921568626!black] (axis cs:11.75,0) rectangle (axis cs:12.25,0);
\draw[draw=black,fill=blue!54.509803921568626!black] (axis cs:12.75,0) rectangle (axis cs:13.25,0);
\draw[draw=black,fill=blue!54.509803921568626!black] (axis cs:13.75,0) rectangle (axis cs:14.25,0);
\draw[draw=black,fill=blue!54.509803921568626!black] (axis cs:14.75,0) rectangle (axis cs:15.25,0);
\draw[draw=black,fill=blue!54.509803921568626!black] (axis cs:15.75,0) rectangle (axis cs:16.25,0);
\draw[draw=black,fill=blue!54.509803921568626!black] (axis cs:16.75,0) rectangle (axis cs:17.25,0);
\draw[draw=black,fill=blue!54.509803921568626!black] (axis cs:17.75,0) rectangle (axis cs:18.25,0);
\draw[draw=black,fill=blue!54.509803921568626!black] (axis cs:18.75,0) rectangle (axis cs:19.25,0);
\addlegendimage{ybar,ybar legend,draw=black,fill=red!54.509803921568626!black};
\draw[draw=black,fill=red!54.509803921568626!black] (axis cs:-0.25,0) rectangle (axis cs:0.25,0);
\draw[draw=black,fill=red!54.509803921568626!black] (axis cs:0.75,0) rectangle (axis cs:1.25,0);
\draw[draw=black,fill=red!54.509803921568626!black] (axis cs:1.75,0) rectangle (axis cs:2.25,0);
\draw[draw=black,fill=red!54.509803921568626!black] (axis cs:2.75,0) rectangle (axis cs:3.25,0);
\draw[draw=black,fill=red!54.509803921568626!black] (axis cs:3.75,0) rectangle (axis cs:4.25,0);
\draw[draw=black,fill=red!54.509803921568626!black] (axis cs:4.75,0) rectangle (axis cs:5.25,0);
\draw[draw=black,fill=red!54.509803921568626!black] (axis cs:5.75,0) rectangle (axis cs:6.25,0);
\draw[draw=black,fill=red!54.509803921568626!black] (axis cs:6.75,0) rectangle (axis cs:7.25,0);
\draw[draw=black,fill=red!54.509803921568626!black] (axis cs:7.75,0) rectangle (axis cs:8.25,0);
\draw[draw=black,fill=red!54.509803921568626!black] (axis cs:8.75,0) rectangle (axis cs:9.25,0);
\draw[draw=black,fill=red!54.509803921568626!black] (axis cs:9.75,0) rectangle (axis cs:10.25,14);
\draw[draw=black,fill=red!54.509803921568626!black] (axis cs:10.75,0) rectangle (axis cs:11.25,18);
\draw[draw=black,fill=red!54.509803921568626!black] (axis cs:11.75,0) rectangle (axis cs:12.25,7);
\draw[draw=black,fill=red!54.509803921568626!black] (axis cs:12.75,0) rectangle (axis cs:13.25,6);
\draw[draw=black,fill=red!54.509803921568626!black] (axis cs:13.75,0) rectangle (axis cs:14.25,5);
\draw[draw=black,fill=red!54.509803921568626!black] (axis cs:14.75,0) rectangle (axis cs:15.25,5);
\draw[draw=black,fill=red!54.509803921568626!black] (axis cs:15.75,0) rectangle (axis cs:16.25,12);
\draw[draw=black,fill=red!54.509803921568626!black] (axis cs:16.75,0) rectangle (axis cs:17.25,6);
\draw[draw=black,fill=red!54.509803921568626!black] (axis cs:17.75,0) rectangle (axis cs:18.25,22);
\draw[draw=black,fill=red!54.509803921568626!black] (axis cs:18.75,0) rectangle (axis cs:19.25,14);
\path [opacity=0] (axis cs:1,13)
--(axis cs:1,13);

\path [opacity=0] (axis cs:13,1)
--(axis cs:13,1);

\end{axis}

\end{tikzpicture}