\begin{tabular}{lr}
\toprule
Self-reported confidence (rounded) & Mentions \\
\midrule
0.5 & 1{,}611 \\
0.6 & 3{,}278 \\
0.7 & 21{,}647 \\
0.8 & 72{,}280 \\
0.9 & 100{,}831 \\
1.0 & 108{,}418 \\
\bottomrule
\end{tabular}