\begin{table}%t2
%\centering
\par
\caption{\label{tab:nc}Number counts deduced from source extraction. The not normalized counts can be obtained dividing the $S^{2.5}$.d$N$/d$S$ column by the $S_{\rm mean}$ column.}
\begin{tabular}{llllrrrl}
\hline\hline\noalign{\smallskip}
Wavelength & $S_{\rm mean}$ & $S_{\rm min}$ & $S_{\rm max}$ & $N_{\rm sources}$ & $S^{2.5}$.${\rm d}N/{\rm d}S$ & $\sigma_{S^{2.5}.{\rm d}N/{\rm d}S}$ & Method \\
\hline\\[-3mm]
$\mu$m & \multicolumn{3}{c}{mJy} & galaxies & \multicolumn{2}{c}{gal~Jy$^{1.5}~{\rm sr}^{-1}$} & \\ 
\hline
250 & 79 &       64 &       97 &       26 &     4451 &     1203 & Prior \\
250 & 116 &       97 &      140 &       5 &     4529 &     2090 & Deep \\
250 & 168 &      140 &      203 &       3 &     4040 &     2377 &       Deep \\
250 & 261 &  203 &  336 &       34 &     2987 &      784 &       Shallow \\
250 & 430 &      336 &      552 &       5 &     1023 & 479 &       Shallow \\
250 & 708 &      552 &      910 &       1 &      445 &  449 &       Shallow \\
250 & 1168 &      910 &     1500 & 2 &     1939 &     1401 &  Shallow \\
\hline	
350 &  67 & 54 & 83 &       17 &     1913 &      630 &       Prior \\
350 & 115 &       83 &      161 &       2 &      955 &      687 &       Deep \\
350 &  223 & 161 &      310 &       16 &      854 &  299 &       Shallow \\
350 &    431 &      310 &      600 &       2 &      314 &      228 &       Shallow \\
\hline
500 &       61 &       49 &       76 &       7 &      388 &      178 &       Prior \\
 500 &     99 &       76 &      131 &       1 &      443 &      448 &       Deep \\
  500 &   185 &      131 &      262 &       4 &      129 &       99 &       Shallow \\
 \hline
\end{tabular}
\end{table}