\begin{table}%t4
\caption{\label{asym_numbers}Total number of profiles with the given asymmetry for the observed and synthetic spectra.}
%\centering
\par
\begin{tabular}{@{}c c @{\hspace{0.2cm}}c c @{\hspace{0.2cm}}c c @{\hspace{0.2cm}}c c @{\hspace{0.2cm}}c@{}}
\hline\hline\noalign{\smallskip}
      \multirow{2}{*}{Models} & \multicolumn{2}{c}{Lyman-$\alpha$} & \multicolumn{2}{c}{Lyman-$\beta$} &
      \multicolumn{2}{c}{Lyman-$\gamma$} & \multicolumn{2}{c}{Lyman-$\delta$} \\
       & blue & red & blue & red & blue & red & blue & red\\
      \hline
      Observed & \multirow{2}{*}{762} & \multirow{2}{*}{361} & \multirow{2}{*}{922} & \multirow{2}{*}{809} & \multirow{2}{*}{651} & \multirow{2}{*}{940} & \multirow{2}{*}{824} & \multirow{2}{*}{664} \\
      data & & & & & & & & \\
      \multirow{2}{*}{M{\sc odel}1} & \multirow{2}{*}{1906} & \multirow{2}{*}{2062} & \multirow{2}{*}{2403} & \multirow{2}{*}{2959} & \multirow{2}{*}{2164} & \multirow{2}{*}{2201} & \multirow{2}{*}{1886} & \multirow{2}{*}{2278} \\
       & & & & & & & & \\
      \multirow{2}{*}{V{\sc ar}1} & \multirow{2}{*}{2669} & \multirow{2}{*}{2820} & \multirow{2}{*}{2631} & \multirow{2}{*}{2976} & \multirow{2}{*}{2359} & \multirow{2}{*}{2278} & \multirow{2}{*}{1891} & \multirow{2}{*}{2060} \\
       & & & & & & & & \\
      \multirow{2}{*}{V{\sc ar}2} & \multirow{2}{*}{2327} & \multirow{2}{*}{2228} & \multirow{2}{*}{2631} & \multirow{2}{*}{2917} & \multirow{2}{*}{2354} & \multirow{2}{*}{2102} & \multirow{2}{*}{1989} & \multirow{2}{*}{2153} \\
       & & & & & & & & \\
      M{\sc odel}1 & \multirow{2}{*}{1580} & \multirow{2}{*}{1429} & \multirow{2}{*}{2205} & \multirow{2}{*}{2377} & \multirow{2}{*}{2065} & \multirow{2}{*}{1486} & \multirow{2}{*}{1759} & \multirow{2}{*}{1647} \\
      {\sc \_v}5 & & & & & & & & \\
      M{\sc odel}1 & \multirow{2}{*}{2111} & \multirow{2}{*}{2309} & \multirow{2}{*}{2679} & \multirow{2}{*}{3029} & \multirow{2}{*}{2485} & \multirow{2}{*}{2245} & \multirow{2}{*}{1922} & \multirow{2}{*}{2324} \\
 {\sc \_v}20 & & & & & & & & \\[2pt]
\hline
\end{tabular}
\end{table}