\begin{table}%t2 \caption{\label{solarcomp2} Predicted and observed quantities of the solar neighbourhood. } %\centerline { \small\begin{tabular}{llllllllllll} \hline \hline Quantity & Unit & A1 & B1 & C1 & D1 & E1 & A2 & B2 & C2 & D2 & Observed\\ \hline SN I rate & $10^{-3}$ pc$^{-2}$ Gyr$^{-1}$ & 1.11 & 1.44 & 1.15 & 1.12 & 1.09 & 1.00 & 1.54 & 1.00 & 1.00 & --\\ SN II rate & $10^{-3}$ pc$^{-2}$ Gyr$^{-1}$ & 3.81 & 3.75 & 3.87 & 3.89 & 3.69 & 3.17 & 3.82 & 3.17 & 3.20 & --\\ SN II/SN I & -- & 3.43 & 2.60 & 3.37 & 3.47 & 3.39 & 3.17 & 2.48 & 3.17 & 3.20 & $\sim$ 3.1\\ $\dot{\Sigma}_\star(R_\odot, t_0)$ & $M_\odot$ pc$^{-2}$ Gyr$^{-1}$ & 3.25 & 2.82 & 3.30 & 3.33 & 3.17 & 2.82 & 2.89 & 2.82 & 2.87 & 2--5\\ $\Sigma_{\rm gas}(R_\odot, t_0)$ & $M_\odot$ pc$^{-2}$ & 7.81 & 7.98 & 7.95 & 7.93 & 7.68 & 7.44 & 8.04 & 7.44 & 7.47 & $8 \pm 5$\\ $\dot{\Sigma}_{\rm inf}(R_\odot, t_0)$ & $M_\odot$ pc$^{-2}$ Gyr$^{-1}$ & 1.44 & 1.44 & 1.44 & 1.44 & 1.44 & 1.30 & 1.30 & 1.30 & 1.30 & 0.5--5\\ \hline \end{tabular}} \tablefoot{$\dot{\Sigma_\star}$ and $\dot{\Sigma}_{\rm inf}$ denote star-formation rate and infall rate, respectively.} \end{table}