I want to make the title all the way to the left side of the table but keep the whole table centered but have no idea how to do this. Can any expert help me with this? Thanks so much!
\documentclass{article}
\usepackage{booktabs,caption}
\usepackage[flushleft]{threeparttable}
\begin{document}
\begin{table}[htbp]
\footnotesize
\caption{Summary Statistic}
\label{Summary_statistic}
\topmargin=-25pt
\begin{center}
\scriptsize
\textbf{Table \ref{summary}: Descriptive Statistic}\\
\begin{tabular}{lccccc}
\toprule
& N& Mean& SD& Min& Max\\
\midrule
\multicolumn{1}{l}{\textbf{\textit{Panel A: Internet Use Frequency:}}}& & & & & \\
Heavy Usage & 77,895& 0.249& 0.433& 0& 1\\
\\ \multicolumn{1}{l}{\textbf{\textit{Panel B: Individual Characteristics:}}}& & & & & \\
Foreigner & 77,895& 0.032& 0.176& 0& 1\\
Female & 77,895& 0.550& 0.498& 0& 1\\
Parental Status & 77,895& 0.402& 0.490& 0& 1\\
Household Size & 77,895& 2.598& 1.359& 1& 10\\
Employed & 77,895& 0.479& 0.500& 0& 1\\
Unemployed & 77,895& 0.146& 0.353& 0& 1\\
Not in labor force & 77,895& 0.375& 0.484& 0& 1\\
Divorced/Seperated & 77,895& 0.084& 0.277& 0& 1\\
Married & 77,895& 0.638& 0.480& 0& 1\\
Single & 77,895& 0.176& 0.381& 0& 1\\
Widow & 77,895& 0.101& 0.302& 0& 1\\
Age & 77,895& 49.817& 18.113& 15& 99\\
\\ \multicolumn{1}{l}{\textbf{\textit{Panel C: LTE Availability:}}}& & & & & \\
Urban LTE Availability& 77,895& 0.604& 0.334& 0& 1\\
Rural LTE Availability& 77,895& 0.222& 0.309& 0& 1\\
Urban & 77,895& 0.664& 0.472& 0& 1\\
Overall LTE availability & 77,895& 0.478& 0.378& 0& 1\\
\bottomrule
\end{tabular}
\end{center}
\end{table}
\end{document}