\begin{table}%t4
%\centering
\par
\caption{Galaxy classes and their fractions. The absolute numbers of
galaxies in the various morphological subclasses and their percentages 
with respect to the catalog entries as a whole are listed in this table.}
\label{tbl-2}
%\centering
\par
\begin{tabular}{rrr}
\hline\hline
General Class & Number & Percentages\\
\hline
Sa(f) & 222 & 7.01 \\
Sb(f) & 843 & 26.60 \\
Sc(f) & 1005 & 31.71 \\
Scd(f) & 503 & 15.87 \\
Sd(f) & 501 & 15.81 \\
Irr(f) & 95 & 3.00 \\
Total & 3169 & 100.00 \\
\hline
\end{tabular}
\end{table}