\begin{table}%t1
\caption{\label{T1}Lyapunov exponents of PCs $A^k$ up to $k=18$.}
%\centering
\par
\begin{tabular}{ c  c }
\hline \hline
$k$ & $\gamma_k$\\
\hline
1 & $0.14 \pm 0.03$\\
2 & $0.17 \pm 0.04$\\
3 & $0.29 \pm 0.04$\\
4 & $0.30 \pm 0.04$\\
5 & $0.24 \pm 0.04$\\
6 & $0.26 \pm 0.04$\\
7 & $0.38 \pm 0.04$\\
8 & $0.31 \pm 0.04$\\
9 & $0.44 \pm 0.04$\\
10 & $0.36 \pm 0.04$\\
11 & $0.28 \pm 0.04$\\
12 & $0.37 \pm 0.04$\\
13 & $0.36 \pm 0.04$\\
14 & $0.29 \pm 0.04$\\
15 & $0.32 \pm 0.04$\\
16 & $0.40 \pm 0.04$\\
17 & $0.34 \pm 0.04$\\
18 & $0.32 \pm 0.04$\\
\hline 
\end{tabular}
\end{table}