带有节标题的页面上的表格的垂直对齐方式

Question

我正在写的论文中有“表格”部分。当我开始“表格”部分时，出于某种原因，第一页上的表格垂直对齐在页面底部。我怎样才能让它垂直居中？下面是代码和输出图片。使用“[p]”（我在其他地方读到过）只会将其移动到另一页。

\newpage\clearpage
\section{Tables}

\begin{table}
    \centering
    \begin{tabular}{lcc}
    \hline\hline
     & Broad LIS Sample & RD Analysis Sample \\
     \hline
     Avg. Age & 77.2 & 76.6 \\
     \% Female & 69.5\% & 69.1\% \\
     Avg. Elixhauser Index & 4.5 & 4.2 \\
     & & \\
     Total Drug Spending & & \\
     Mean & \$4,024 & \$3,707 \\
     25th Percentile & \$815 & \$710 \\
     Median & \$2,601 & \$2,384 \\
     75th Percentile & \$5,389 & \$5,021 \\
     & & \\
     Avg. Chronic Drug Spending & \$3,012 & \$2,821 \\
     Avg. Non-Drug Med. Spending & \$12,888 & \$10,945 \\
     & & \\
     \hline
     Observations & 4,628,704 & 1,989,603 \\
     \hline\hline
    \end{tabular}
    \caption{Summary statistics for samples used in our analysis.}
    \label{tab:sum_stats}
\end{table}