\begin{table}%t1
\caption{Properties of the CME accelerations, velocities and widths. The number of CMEs in
subsamples is denoted as $N$. The subscripts at the mean values represent the medians.  }
%\begin{center}
\par
\begin{tabular}{cccccc}
 \hline\hline
        & All CMEs              & All F-CMEs            & DSF-CMEs
                    &  B and C F-CMEs                 &  M and X~F-CMEs                 \\
        &  $N=4463$             & $N=545$               & $N=104$
                    & $N=363$                 &  $N=181$                 \\
 \hline
 $\overline a\pm \sigma_{a}$ [m s$^{-2}$]
        & $-1.2_{-0.2}\pm 20.6$ & $-1.8_{-1.6}\pm 19.7$ & $+0.1_{+1.2}\pm 16.8$
                    & $-1.0_{-1.0}\pm 18.2$   &  $-3.4_{-3.4}\pm 22.4$   \\
 $\overline v_3\pm\sigma_{v_3}$ [km s$^{-1}$]
        & $465_{400}\pm 295$    & $600_{506}\pm 349$    & $481_{447}\pm 285$
                    & $523_{460}\pm 283$      &  $751_{675}\pm 414$      \\
 $\overline v_{\rm m}\pm\sigma_{v_{\rm m}}$ [km s$^{-1}$]
        & $462_{408}\pm 256$    & $581_{500}\pm 314$    & $493_{475}\pm 242$
                    & $514_{452}\pm 255$      &  $716_{635}\pm 374$      \\
 $\overline\phi\pm\sigma_{\phi}$ [deg]
        & $73_{53}\pm 73$       & $131_{90}\pm 107$     & $101_{85}\pm 77$
                    & $112_{93}\pm 76$        &  $170_{116}\pm 121$       \\
 \hline
\end{tabular}
%\end{center}
\par
\label{tabl_akc}
\end{table}