\begin{figure}
\centering
\includegraphics{fig1.png}
\caption{1}\label{fig:1}
\end{figure}

\begin{figure}
\centering
\includegraphics{fig2.png}
\caption{2}\label{fig:2}
\end{figure}

\begin{figure}
\centering
\includegraphics{fig3.png}
\caption{3}\label{fig:3}
\end{figure}

\begin{figure}
\centering
\includegraphics{fig4.png}
\caption{4}\label{fig:4}
\end{figure}

\begin{figure}
\centering
\includegraphics{fig5.png}
\caption{5}\label{fig:5}
\end{figure}

\begin{figure}
\centering
\includegraphics{fig6.png}
\caption{6}\label{fig:6}
\end{figure}

\begin{figure}
\centering
\includegraphics{fig7.png}
\caption{7}\label{fig:7}
\end{figure}

\begin{figure}
\centering
\includegraphics{fig8.png}
\caption{8}\label{fig:8}
\end{figure}

\begin{figure}
\centering
\includegraphics{fig9.png}
\caption{9}\label{fig:9}
\end{figure}

\listoffigures
