\begin{tabular}{l l l l r r l l l l l l l l r}
Department &  & & &  Paper Used for 1997 &&& & & & & & & & Useful\\
Administration  &  & & &  1000 tons. & & &  & &&&&&&10 percent \\
Arts  & & & & 10 tons.  & & & & &&&&&&70 percent\\
Engineering &  & & &  500 tons. & & &&&&& & && 50 percent\\
Sciences    &   & & &    200 tons. & &&&&& & &&&  30 percent \\
\end{tabular}