\begin{table}%t3
\renewcommand{\arraycolsep}{1.15}
\caption{Abundances of \DII and \HeHII at $z=100$.  \label{tab:approx100}}
    %\centering
\par
\begin{tabular}{ccc}
\hline\hline
Cosmology/Ref. & $[\fDII/\fHI]$ & $[\fHeHII/\fHI]$   \\ \hline
WMAP 3 + SDSS & $5.15\times10^{-9}$  & $4.27\times10^{-15}$  \\
\citep{Puynew}  & $\sim$$1.5\times10^{-9}$  &$\sim$$2.8\times10^{-15}$   \\
Analytic approx.      & $3.7\times10^{-9}$  & $4.5\times10^{-15}$   \\ 
%CDM  & $4.54\times10^{-4}$  & $2.14\times10^{-6}$   \\ 
\citep{Galli} & $\sim$$7.5\times10^{-9}$ & $\sim$$1.8\times10^{-14}$  \\ \hline
\end{tabular} 
    \end{table}