\begin{table}%Tc1
 \caption{\label{pcategorytab}Proposal category given by the XSA. }
\small
%\centering
\par
\begin{tabular}{lp{5.8cm}r}
\hline \hline
Class & Description & Percentage \\
\hline
I   & Stars, White Dwarfs and Solar System & 16\% \\
II  & White Dwarf Binaries, Neutron Star Binaries, Cataclysmic Variables,
ULXs and Black Holes & 15\% \\
III & Supernovae, Supernova Remnants, Diffuse Emission, and Isolated
Neutron Stars & 14\% \\
IV  & Galaxies and Galactic Surveys & 9\% \\
V   & Groups of Galaxies, Clusters of Galaxies, and Superclusters & 14\% \\
VI  & Active Galactic Nuclei, Quasars, BL Lac Objects, and \mbox{X-ray} Background
& 23\% \\
VII & \mbox{X-ray} Background and Surveys & 8\% \\
\hline
\end{tabular} 
\end{table}