\begin{table}%t2
\caption{\label{table2}\label{tab2}Surface densities of $BzK$ galaxies  (to the completeness limits; degrees$^{-2}$).}
\small
%\centerline
{
\begin{tabular}{l | c | cccc | c | cc | cc }
\hline\hline
Field & GOODS & \multicolumn{4}{c|}{MUSYC} & All & \multicolumn{2}{c|}{7C~1756+6520} & \multicolumn{2}{c}{7C~1751+6809} \\
 & MUSIC & ECDFS & EHDFS & SDSS1030 & CW1255  & MUSYC & Full & $r<2$~Mpc & Full & $r<2$~Mpc \\
\hline
Area$^{{\rm a}}$ & $143.2$ & $969.6$ & $201.1$ & $106.7$ & $101.9$ & $1379.3$ & $333.4$ & $47.9$ & $336.2$ & $47.7$ \\
(1) & (2) & (3) & (4) & (5) & (6) & (7) & (8) & (9) & (10) & (11) \\
\hline 
p$BzK$ & $130 \pm 60$ & $70 \pm 20$ & $70 \pm 40$ &	 $170 \pm 80$ & $35 \pm 35$ & $70 \pm 10$ & $190 \pm 45$ & $330 \pm 160$ & $140 \pm 40$ & no detection\\
%\hline
p$BzK$* & $430 \pm 100$ & $370 \pm 40$ & $320 \pm 80$ & $640 \pm 150$ & $210 \pm 90$ & $370 \pm 30$ & $620 \pm 80$ & $1160 \pm 295$ & $510 \pm 70$ & $250 \pm 140$ \\
%\hline
s$BzK$ & $500 \pm 110$ & $505 \pm 40$ & $480 \pm 90$ & $300 \pm 100$ & $490 \pm 130$ & $485 \pm 40$ & $490 \pm 70$ & $990 \pm 270$ & $350 \pm 60$ & $500 \pm 190$ \\
\hline
\end{tabular}}
\smallskip
 $^{{a}}$ Area are given in square arcmin. 
\end{table}