\begin{table}%t8
\caption{The anuual averaged Balmer decrement and continuum fluxes
$F$(cont) at the observed wavelength $\lambda 5190$~\AA. }
\label{tab9}
%\centering
\par
\begin{tabular}{ccc}
\hline
\hline
Year&     $F$(H$\alpha$)/$F$(H$\beta$)&  $F$(cont)* \\
\hline
1996 &     3.48 $\pm$ 0.45 &       14.62 $\pm$  2.2 \\
1998 &     3.51 $\pm$ 0.44 &       16.96 $\pm$  1.69\\
1999 &     3.51 $\pm$ 0.44 &       14.05 $\pm$  1.62\\
2000 &     4.22 $\pm$ 0.42 &        9.27 $\pm$  1.28\\
2001 &     4.33 $\pm$ 0.58 &        9.66 $\pm$ 1.26\\
\hline 
\noalign{\smallskip}
\multicolumn{3}{l}{* $F$(cont) in units of
$10^{-15}$ (erg~cm$^{-2}$~s$^{-1}$~\AA$^{-1}$).}\\
\end{tabular}
\end{table}