1\begin{tabular}{lrrrrr}2\toprule3$\beta$ & $\theta$ & within s.d. & between s.d. & between share (\%) & $D_{urg}$ (\%) \\4\midrule50.00 & 60.00 & 0.0493 & 0.0909 & 77.3 & 65.32 \\60.25 & 12.79 & 0.0336 & 0.0153 & 17.1 & 7.08 \\70.50 & 4.39 & 0.0324 & 0.0126 & 13.1 & 5.59 \\80.75 & 1.42 & 0.0336 & 0.0112 & 9.9 & 4.84 \\91.00 & 0.02 & 0.0473 & 0.0037 & 0.6 & 1.23 \\10\bottomrule11\end{tabular}12