table

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\usepackage{booktabs}
\usepackage{multirow}


\begin{document}

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% \usepackage{multirow}
\begin{table}[]
\small % Uncomment if table must be smaller
\addtolength{\leftskip} {-4.5cm}
\tabcolsep=0.11cm
\begin{tabular}{ll *{11}{c}}
  \toprule
\multicolumn{2}{l}{} & \textbf{Global} & \textbf{Canada}  & \textbf{China} & \textbf{Germany} & \textbf{Ghana} & \textbf{India} & \textbf{Iran} & \textbf{Norway} & \textbf{Russia} & \textbf{USA} \\ \midrule
\multicolumn{2}{l}{HTTPS} & 85\% & 82\% & 54\% & 81\% & 63\% & 67\% & 59\% & 85\% & 64\% & 87\% \\
\cmidrule(lr){1-2} \multicolumn{2}{l}{HSTS(\% of HTTPS sites)} & 91\% & 67\% & 74\% & 62\% & 69\% & 69\% & 81\% & 64\% & 73\% & 63\% \\
 \cmidrule(lr){1-2}\multirow{3}{*}{Signing Algorithm} & ecdsa-with-SHA256 & 12\% & 11\% & 3\% & 12\% & 17\% & 18\% & 9\% & 14\% & 7\% & 12\% \\
                  & sha1WithRSAEncryption & 0\% & 0\% & 1\% & 0\% & 0\% & 0\% & 5\% & 0\% & 1\% & 0\% \\
                  & sha256WithRSAEncryption & 88\% & 89\% & 95\% & 88\% &  83\% & 81\% & 86\% & 85\% & 92\% & 88\% \\
\cmidrule(lr){1-2}\multirow{3}{*}{\shortstack[l]{Encryption Algorithm, \\ Key Size}} & EC256 & 17\% & 14\% & 10\% & 15\% & 20\% & 10\% & 11\% & 17\% & 10\% & 15\% \\
                  &  RSA2048 &  79\% & 84\% & 87\% & 78\% & 76\% & 77\% & 83\% & 75\% & 82\% & 83\%  \\
                  &  RSA4096 & 3\% & 2\% & 2\% & 6\% & 4\% & 2\% & 4\% & 7\% & 7\% & 2\% \\
\cmidrule(lr){1-2}\multicolumn{2}{l}{Average CErtificate Length (months)} & 19 & 20 & 23 & 20 & 18 & 18 & 36 & 21 & 20 & 19 \\
\cmidrule(lr){1-2}\multicolumn{2}{l}{Total Site Count} &  500 & 500 & 500 & 500 & 500 & 500 & 500 & 500 & 500 & 500 \\
\bottomrule
\end{tabular}
\end{table}

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