\begin{table}%t9
%\centering
\par
\caption{\label{tab:av-compression-equal}A fractional change in the {\it geometrical} filling factor
  $\psig/\psig^{\rm ini}$, averaged over the impact parameter.}  %\centering
\par
\begin{tabular}{rcccc}
\hline\hline
$E/(N E_{\rm roll})$ & \multicolumn{4}{c}{$\psig^{\rm ini}$} \\
 &  $0.122$ &  $0.155$ &  $0.189$ &  $0.251$ \\
\hline
$8.44\ep{-4}$ & $0.867$ & $0.818$ & $0.837$ & $0.796$ \\
$3.04\ep{-2}$ & $0.874$ & $0.843$ & $0.860$ & $0.816$ \\
$8.44\ep{-2}$ & $0.877$ & $0.867$ & $0.878$ & $0.822$ \\
$1.90\ep{-1}$ & $0.923$ & $0.901$ & $0.902$ & $0.826$ \\
$3.37\ep{-1}$ & $0.942$ & $0.944$ & $0.943$ & $0.838$ \\
$1.35\ep{0} $ & $1.067$ & $1.053$ & $1.005$ & $0.888$ \\
$5.40\ep{0} $ & $1.082$ & $1.206$ & $1.144$ & $0.937$ \\
$1.21\ep{1} $ & $1.088$ & $1.322$ & $1.274$ & $1.032$ \\
$2.16\ep{1} $ & $1.109$ & $1.368$ & $1.395$ & $1.223$ \\
\hline
\end{tabular}
\end{table}