\begin{table}%t5
\par
%\renewcommand{\arraystretch}{}
\caption{\label{tab5}Statistics of \EBV, \EBVl\ and \WCO$^1$.}
%\centerline
 {\begin{tabular}{ccccccccccc}
\hline\hline
  &&&&&&&\multicolumn{2}{c}{CO undetected} &\multicolumn{2}{c}{CO detected} \\
$|{b}|_<$ & $N$  & \EBVl~$>$~1 mag &  $\langle$\EBVl$\rangle/\langle{\rm l}\rangle$ & CO? 
  &  $\langle$\WCO$\rangle/\langle{\rm l}\rangle$ & a \EBVl/2\WCO$^2$ & $\langle$\EBV$\rangle$ & $\langle$\EBVl$\rangle$ & $\langle$\EBV$\rangle$ & 
  $\langle$\EBVl$\rangle$ \\
 & \# & \#  & mag kpc$^{-1}$ & \# & K \kms\ kpc$^{-1}$ & H $\pcc$ (K \kms)$^{-1}$ &mag&mag&mag&mag  \\
\hline
 3\degr& 71& 21& 1.4& 34& 14.1 & $2.8\times10^{20}$& 0.21& 0.48& 0.48& 1.87 \\
 5\degr& 63& 16& 1.66& 29& 21.3& $2.3\times10^{20}$& 0.19& 0.41& 0.45& 1.98 \\
10\degr0& 49& 14& 2.4& 21& 35.7& $1.9\times10^{20}$& 0.16& 0.38& 0.41& 2.46 \\
15\degr& 36& 11& 2.8& 16& 38.6 & $2.1\times10^{20}$& 0.13& 0.42& 0.39& 2.76 \\
20\degr& 16&  1& 1.5&  4& 30.0 & $1.5\times10^{20}$& 0.12& 0.28& 0.46& 0.58 \\
\hline 
\end{tabular}}
\par
\smallskip
$^1$ For explanation of table entries see Sects.~4.2 and~4.3;
$^2$ $a = 5.8 \times 10^{21} ~{\rm H} \pcc ~{\rm mag}^{-1}$.  
\end{table}