\begin{table}%t3
\caption{Statistics of the model and real distributions of the radio sources over four redshift intervals.}
\small%\centerline
 {
\begin{tabular}{ccccc}
\hline
\hline
Zone & \multicolumn{2}{c}{Model} & \multicolumn{2}{c}{Real} \\
     &  $N$  & Max corr & $N$ &   Max corr \\
\hline
$0<z<1$ & 1431 & 0.15 &   835  &  0.27 \\
$1<z<2$ & 1183 & 0.15 &   671  &  0.33 \\
$2<z<3$ & ~398 & 0.18 &   240  &  0.34 \\
$3<z<4$ & ~100 & 0.19 &   ~57  &  0.51 \\
\hline
\end{tabular}}
\medskip
The number of radio sources and the maximum correlation between the thirteen estimated parameters are shown.
\end{table}