\begin{table}%t1
\caption{\label{tab:one}Approximate number of photons and loops per nucleus \change{of the considered species} for $z_i=\pot{4}{4}$ and different values of~$y$.}
\par
%\centering
\small
\begin{tabular}{@{}crrrr}
\hline
\hline
%&&&& \\[-8pt]
             & $y=0$ & $y=10^{-7}$ & $y=10^{-6}$ & $y=10^{-5}$ \\
\hline
%&&&& \\[-8pt]
$N^{\ion{H}{i}}_{\rm Ly-c}$ 
& $0$ & $-0.028$ & $-0.28$ & $-2.75$ 
\\
$N^{\ion{H}{i}}_{\rm Ly-\alpha}$ 
& $0.42$ & $0.47$ & $0.92$ & $5.37$ 
\\
$N^{\ion{H}{i}}_{\rm bb}$ 
& $2.49$ & $2.59$ & $3.45$ & $12.03$ 
\\[2pt]
\hline
%&&&& \\[-8pt]
$\NloopH$ 
& $0$ & $0.032$ & $0.33$ & $3.27$ 
\\[2pt]
\hline
%&&&& \\[-8pt]
$N^{\ion{He}{ii}}_{\rm Ly-c}$ 
& $0$ & $-0.27$ & $-2.67$ & $-26.6$ 
\\
$N^{\ion{He}{ii}}_{\rm Ly-\alpha}$ 
& $0.55$ & $1.06$ & $5.68$ & $51.8$ 
\\
$N^{\ion{He}{ii}}_{\rm bb}$ 
& $2.48$ & $3.49$ & $12.5$ & $103$ 
\\[2pt]
\hline
%&&&& \\[-8pt]
$\NloopHe$ 
& $0$ & $0.30$ & $3.06$ & $31.0$ 
\\[2pt]
\hline
\end{tabular}
\end{table}