1\begin{table}[htbp]\centering\small2\caption{Sector (SIC division) and ETF category counts in the universe}3\label{tab:universe_groups}4\begin{tabular}{llr}5\toprule6Asset class & Group & $n$ \\7\midrule8etf & broad\_equity & 12 \\9etf & commodity & 5 \\10etf & fixed\_income & 8 \\11etf & international & 13 \\12etf & leveraged\_inverse & 14 \\13etf & other & 10 \\14etf & sector & 10 \\15etf & volatility\_alt & 3 \\16stock & construction & 13 \\17stock & finance\_insurance\_realestate & 30 \\18stock & manufacturing & 34 \\19stock & mining & 19 \\20stock & retail & 26 \\21stock & services & 32 \\22stock & transport\_utilities & 32 \\23stock & unknown & 25 \\24stock & wholesale & 14 \\25\bottomrule26\end{tabular}27\end{table}