\begin{table}
%\setlength{\tabcolsep}{5pt}
%\caption{continued.}  
%\small%\centering
\par
%\begin{tabular}{cccccccccccc}
%\hline\hline
%Obs & IMF   & Exp. (s)  & $f$(Ex) & Obs. & IMF & Exp. & $f$(Ex) & Obs. & IMF & Exp. (s) & $f$(Ex)  \\ 
%\hline
0147510801 & fmfmfm & 75660 & 0.047 & 0147510901 & fmfmfm & 88534 & 0.066 & 0147511101 & fmfmfm & 93394 & 0.216 \\
0147511201 & fmfmfm & 100499 & 0.363 & 0147511301 & fmfmfm & 82459 & 0.182 & 0145450401 & ftftft & 5748 & 0.000 \\
0145450501 & ftftft & 5847 & 0.004 & 0147511601 & fmfmfm & 121142 & 0.038 & 0147511801 & fmfmfm & 88811 & 0.000 \\
0112372001 & ftftft & 25950 & 0.000 & 0037982401 & etftft & 11605 & 0.000 & 0037982501 & etftft & 10415 & 0.000 \\
0037982301 & etftft & 9999 & 0.008 & 0037982201 & etftft & 12699 & 0.001 & 0140160101 & fkfkfk & 41606 & 0.068 \\
0145450101 & ftftft & 8152 & 0.147 & 0145450601 & ftftft & 7978 & 0.038 & 0149890301 & ftftft  & 39996 & 0.318 \\
\hline
\end{tabular}
\end{table}