你好，我有一张看起来像的表，并给出了一个错误，不是外部标准模式，提前谢谢了。
% latex table generated in R 3.6.2 by xtable 1.8-4 package
% Sat Apr 25 14:06:59 2020
\begin{table}[ht]
\centering
\caption{Most Citated Countries}
\label{tab:Most-Citated-Countries}
\begin{tabular}{rlrrrrrrrl}
\hline
& Country & Articles & SCP & MCP & \%Freq & \%MCP & \%SCP & TGC & AAC \\
\hline
39 & USA & 38 & 24 & 14 & 0 & 0 & 0 & 1309 & 34.45 \\
5 & CHINA & 26 & 18 & 8 & 0 & 0 & 0 & 256 & 9.85 \\
38 & UNITED KINGDOM & 15 & 9 & 6 & 0 & 0 & 0 & 199 & 13.27 \\
17 & ITALY & 9 & 7 & 2 & 0 & 0 & 0 & 55 & 6.11 \\
15 & INDIA & 8 & 7 & 1 & 0 & 0 & 0 & 103 & 12.88 \\
40 & VIETNAM & 7 & 4 & 3 & 0 & 0 & 0 & 13 & 1.86 \\
2 & AUSTRALIA & 6 & 3 & 3 & 0 & 0 & 0 & 24 & 4.00 \\
24 & NIGERIA & 5 & 5 & 0 & 0 & 0 & 0 & 10 & 2.00 \\
10 & FINLAND & 3 & 2 & 1 & 0 & 0 & 0 & 63 & 21.00 \\
11 & FRANCE & 3 & 2 & 1 & 0 & 0 & 0 & 12 & 4.00 \\
12 & GERMANY & 3 & 1 & 2 & 0 & 1 & 0 & 271 & 90.33 \\
13 & GHANA & 3 & 3 & 0 & 0 & 0 & 0 & 6 & 2.00 \\
34 & TAIWAN & 3 & 2 & 1 & 0 & 0 & 0 & 56 & 18.67 \\
3 & BELGIUM & 2 & 2 & 0 & 0 & 0 & 0 & 9 & 4.50 \\
7 & CZECH REPUBLIC & 2 & 1 & 1 & 0 & 0 & 0 & 4 & 2.00 \\
8 & DENMARK & 2 & 2 & 0 & 0 & 0 & 0 & 24 & 12.00 \\
18 & JAPAN & 2 & 2 & 0 & 0 & 0 & 0 & 19 & 9.50 \\
23 & NEW ZEALAND & 2 & 2 & 0 & 0 & 0 & 0 & 10 & 5.00 \\
26 & PAKISTAN & 2 & 1 & 1 & 0 & 0 & 0 & 4 & 2.00 \\
29 & SINGAPORE & 2 & 0 & 2 & 0 & 1 & 0 & 48 & 24.00 \\
\hline
\end{tabular}
\end{table}