\begin{table}%t3
%\centering
\par
\caption{\label{tab:encounter_rate_normalised_tabulated}Approximate relative encounters rates.}
\par
 \small\begin{tabular}{llllllcc}
\hline\hline
Family of models   & \multicolumn{6}{c}{Density-scaled} & Size-scaled \\
cluster model      & D0    &  D1  &  D2  &  D3  &  D4  &  D5  &  S0-S5 \\
\hline
low mass           &  1/5  & 2/5  &  1   &  3   &  7   &  21  &  1    \\
intermediate mass  &  1/2  & 1    &  2   &  4   &  9   &  23  &  2    \\
high mass          &  5    & 7    &  10  &  15  &  25  &  44  &  10   \\
      \hline
    \end{tabular}
\end{table}