\begin{table}%t4
  \caption{Summary of the flux changes in the parameter study at 
each energy binnings.}
  \label{tab:para}
\setlength{\tabcolsep}{6pt}
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%%\centering
\par
     \begin{tabular}{lllllll}
        \hline
        \hline
        Energy (TeV) & 0.56 &0.75 &1.07 &1.52&2.19&3.32\\\hline
        Flux change (\%) & 23.4 & 12.0 & 8.8 & 17.4 & 72.8 & 88.5\\
        \hline        
     \end{tabular}
\end{table}