\begin{table}%t1
%\centering
\par
  \caption{Number of lines included and excluded in the syntheses.
  \label{table:lines}}
  \begin{tabular}{rccc}
    \hline \hline
    \noalign{\smallskip}
    Wavelength   &  Lines    &  Lines  &  Lines set \\
    range (nm)  & considered & excluded & to $\bar g_{\rm eff}=0$ \\ 
    \noalign{\smallskip}
    \hline
    \noalign{\smallskip}
    400.00--499.99  & 40~343  & 835 & 8263 \\
    500.00--599.99  & 27~849 & 421 & 6396 \\
    600.00--699.99  & 20~371 & 192 & 4549 \\
    700.00--799.99  & 16~141 & 215 & 2915 \\
    800.00--899.99  & 12~793 & 104 & 2286 \\
    900.00--999.99  & 11~297 & 92 &  2779 \\
    1000.00--1099.99  & 8601 & 43 &  2138 \\
    1100.00--1199.99  & 6821 & 67 &  1499 \\
    1200.00--1299.99  & 6016 & 54 &  1280 \\
    1300.00--1399.99  & 5357 & 26 &  1015 \\
    1400.00--1499.99  & 5153 & 17 &  948 \\
    1500.00--1599.99  & 4759 & 24 &  974 \\
    \hline
  \end{tabular}
\end{table}