\begin{table}%t1
\caption{Comparison of some observed properties of the galactic disk in the
solar neighbourhood with model results.}
\label{TabResults}
%\centering
\small
\begin{tabular}{l@{\hspace{1.0cm}}l@{\hspace{1.0cm}}l@{\hspace{1.0cm}}l}
\hline\hline
 Observable & Model & Observed & Reference \\
\hline
&&& \\[-8pt]
Total surface density $\Sigma_{\rm tot}$ [$M_{\odot}~{\rm pc^{-2}}$]    &
  56  &  $50{-}62$             & Holmberg \& Flynn (\cite{Hol04})  \\
ISM surface density $\Sigma_{\rm ISM}$ [$M_{\odot}~{\rm pc^{-2}}$]       &
  9.7 &  $7{-}13$              & Dickey (\cite{Dic93})\\
	&      & $13{-}14$       & Olling \& Merrifield (\cite{Oll01}) \\
Gas fraction $\Sigma_{\rm ISM}/\Sigma_{\rm tot}$                        &
  0.17 & $0.05{-}0.2$          &\\
Surface density of visible stars $\Sigma_*$ [$M_{\odot}~{\rm pc^{-2}}$]  & 
  38.6 & $30{-}40$             & Gilmore et~al. (\cite{Gil89})\\
Surface density of stellar remnants [$M_{\odot}~{\rm pc^{-2}}$]          & 
  7.7 &  $2{-}4$               & Mera et~al. (\cite{Mer98})\\
Star formation rate {$B$} [$M_{\odot}~{\rm pc^{-2}~Gyr^{-1}}$]           & 
  3.1 & $3.5{-}5$              & Rana \cite{Ran91}\\
SN II rate $R_{\rm SNII}$ [${\rm pc^{-2}~Gyr^{-1}}$]                    & 
  0.016 & $0.009{-}0.0326$     & Tammann et~al. (\cite{Tam94})\\
SN Ia rate $R_{\rm SNIa}$ [${\rm pc^{-2}~Gyr^{-1}}$]                    & 
  $0.0024$ & $0.0015{-}0.0109$ &  Tammann et~al. (\cite{Tam94})\\
Infall rate [$M_{\odot}~{\rm pc^{-2}~Gyr^{-1}}]$                         & 
  1.45     &  $0.5{-}5$        & Braun \& Thilker (\cite{Bra04}) \\
\hline
\end{tabular}
\end{table}