\begin{table}%t3
\caption{\label{tab3}Number of radio emitters of given spectral type.}
%\centerline
 {\begin{tabular}{lccc}
\hline\hline
\noalign{\smallskip}
Spec.  & No. radio & Source &Cluster \\
Type   & emitters  & ID     &total \\
\hline
OB SGs & 3(4?)\tablefootmark{a} & 15, 17, D09-R1, (D09-R2?) & $\sim$150  \\
sgB[e] & 1 & 9 & 1 \\
BHGs   & 1 & 243 & 4 \\
YHGs   & 4(5?)\tablefootmark{a} & 4, 12a, 32, 265 (16a?) & 6 \\
RSGs   & 4 & 20, 26, 75, 237 & 4 \\
WN9-10 & 1 (2?)\tablefootmark{a} & 44, (5) & 2 \\
WN5-8  & 3 & WR~B, 31b, 72 &14 \\
WC     & 1 & 239 & 8 \\
\hline
\end{tabular}}
\tablefoot {\tablefoottext{a}{These sources are included in parentheses due to the
uncertain association of radio emission with W16a, D09-R2 and W5.} 
\tablefoottext{b}{WRs N (WC8), O and Q (both WNL) are not in the field-of-view of the radio
observations described here.}}
\end{table}