\begin{table}%t8
\caption{\label{tab8}Positions of the larger modulation amplitudes.}
\small%\centerline
{
\begin{tabular}{clccc}
\hline\hline
{\rm Type} & {\rm Color} & $N_+$ & $N_{\rm tot}$ & $N_+/N_{\rm tot}$ \\
\hline
BL1   & {"$r$'' }	 & 12   & 32 & 0.38 \\
      & {"$b$'' }	 & 18   & 44 & 0.41 \\
      & {"SAM''}  & 21   & 46 & 0.46 \\
BL2   & {"$r$''}    & 13   & 22 & 0.59 \\
      & {"$b$''}    & 21   & 46 & 0.46 \\
      & {"SAM''}  & 24   & 53 & 0.45 \\
\hline
\end{tabular}}
\smallskip
 {Note:} 
dataset \#2 is used; $N_+=$ number of cases when the larger 
modulation amplitude has a frequency greater than that of 
the main pulsation component; $N_{\rm tot}=$ total number 
of BL~stars identified in the given color.
\end{table}