\begin{table}%t4
\caption{\label{t:abund_tcond_avg}Average (star-to-star) elemental abundance ratios (and 1-$\sigma$ scatter) of solar analogs from the six independent studies examined in this work.}
%%\centering

\par
\begin{tabular}{llrc}\hline\hline
$Z$ & El. & \multicolumn{1}{c}{Average (all)} & \multicolumn{1}{c}{Average (spec.)} \\ \hline 
\input{14456t4.tex}
\hline
\end{tabular}
\tablefoot{The second column gives the average abundance ratios for the purely spectroscopic papers only.}
\end{table}