\begin{table}%t3
   %\centering
\par
      \caption{\label{tab:number-statistics}Spectral-type distribution.}
     \small          \begin{tabular}{lr}
            \hline \hline
             Spectral type & No. of stars \\
            \noalign{\smallskip} \hline \noalign{\smallskip}
            WN             & 4  \\
            WC             & 9  \\ 
            {\it{WR total}}& {\it{13}} \\
            \hline \noalign{\smallskip}
            O              & 60 \\
            B              & 25 \\ 
            {\it{OB total}}& {\it{85}} \\
            \hline
            \noalign{\smallskip}
            K              & 43 \\
            M              & 19  \\ 
            {\it{KM total}}& {\it{62}} \\
            \hline
            {\it{Total}}   & 160 \\
            \hline
         \end{tabular}
       \end{table}