\begin{table}%t5
\caption{\label{statisticsWFI}Results of the cross-correlations between the list of X-ray
sources and  the optical/IR master catalogues. For  all fields, the
total number  of candidate  counterparts is larger  than those  of the
X-ray sources because of multiple matches.}
\small%\centering
\par
\begin{tabular}{c|c|cccc}
 \hline\hline
Field ID	& Detected	& X-ray sources	& X-ray sources	& Candidate	& Reliability	\\
		& Sources 	& with no counterpart	& with counterpart	& Counterparts	& (1-P)	\\ \hline
1	 	& 50		& 27 		& 23 	& 26		& 84\%	                   \\
2		& 37		& 7 		& 30 	& 46		& 76\%	                   \\
3		& 32		& 7 		& 25 	& 41		& 82\%	                   \\
4		& 27		& 3 		& 24 	& 40		& 70\%	                   \\ \hline
Total           & 146		& 44		& 102 	& 153		& --		\\ \hline
5		& 38		& 18 		& 20 	& 21		& 71\%	                   \\
6		& 51		& 34 		& 17 	& 19		& 80\%	                   \\
7	        & 7		& 5		& 2 	& 2		& 81 \%	                   \\
8		& 52		& 24 		& 28 	& 37		& 76\%	                   \\ \hline
Total           & 148		& 81 		& 67 	& 79		& --		\\ \hline
\end{tabular}
\end{table}