\begin{table}%T1
%\centering
\par
\caption{This table indicates the radius $r_{\rm lim}$
     inside which a given fraction $f(r_{\rm lim})\equiv
     {\cal P}(r_{\rm s} < r_{\rm lim}|  O  )$ of cosmic rays reaching
     the center were emitted from, for several $L$ and in the case of the
     infinite disk and $R=20$~kpc.}
     \label{table:blabla}
     \begin{tabular}{ccccccc}   \hline\hline
	& \multicolumn{2}{c}{$f(r_{\rm lim}) = 50$\%}  &
	\multicolumn{2}{c}{$f(r_{\rm lim}) = 90$\%}
	& \multicolumn{2}{c}{$f(r_{\rm lim}) = 99$\%}\\
	\hfill
	& $R=\infty$  & $R=20$~kpc & $R=\infty$ & $R=20$~kpc& $R=\infty$
	&$R=20$~kpc\\
	\hline
	$L = \infty$ & -- & 6.2 kpc& -- & 14.1 kpc& -- & 18.2 kpc\\
	$L = 20$ kpc&  12.6 kpc& 6.1 kpc&  39 kpc& 14 kpc&  68 kpc& 18.2 kpc\\
	$L = 5$ kpc &  3.1 kpc&  2.95 kpc &  9.5 kpc& 8.6 kpc& 17 kpc&
	14.6 kpc\\
	$L = 1$ kpc &  0.63 kpc& 0.63 kpc&  1.9 kpc& 1.9 kpc& 3.4
	kpc& 3.4 kpc\\
	\hline
     \end{tabular}
     \end{table}