I have some table like the following one and want to write some configuration using ´footnote´.
\begin{table}
\begin{center}
\begin{footnotesize}
\begin{tabular}{|l|l|l|}
\hline
TPA & Components & Cost \\ \hline
& Total & 56558.4 \\ \hline
\end{tabular}
\end{footnotesize}
\caption[]{Hardware cost estimation~\footnote{per router}}
\label{tab:}
\end{center}
\end{table}
So, I did a method like http://www.tex.ac.uk/cgi-bin/texfaq2html?label=ftncapt. However, I found upper subscript but didn't figure out how to use a footnote in my table. Where is the footnote I wrote? I want to see "per router".
Could you please fix my LaTeX code?