
\begin{table}[htbp]
\begin{center}
\begin{tabular}{|l|r|r|r||r||r|} \hline
%                           & Chavatal~\cite{Chavatal_1979} & Back~\cite{Back_AE_1995}   & SCP based~\cite{Chu_Beasley_1997} 
                           & Chavatal & Back   & SCP based 
			   & Greedy\#3 & The Best \\ 

                           & SCP     & SCP     & GA
			   & SCP     & with GA  \\ \hline \hline

Number of Crews            & 6       & 5       & 7
			   & 5       & 5        \\ \hline \hline

Average Rotation Time      & 1343.67 & 1576.4  & 1126 
                           & 1576.4  & 1576.4   \\ \hline

STD of Rotation Times      & 668.39  & 524.85  & 571.23
                           & 622.54  & 764.75   \\ \hline \hline

Number of Dead-headings    & 2       & 0       & 0
                           & 0       & 0        \\ \hline

Not ends where it started  & 0       & 0       & 0
                           & 0       & 0        \\ \hline

Total Flying Time (mins)   & 8062    & 7882    & 7882
                           & 7882    & 7882     \\ \hline \hline

Cost                       & 11359.4 & 11463.4 & 27192.4
                           & 12150.4 & 10954.4  \\ \hline \hline

Running Time (sec)         & $<1$    & 8       & 14
                           & 1504    & 4081     \\ \hline \hline

%Number of Columns          &         &         & 
%		   	    &         &          \\ \hline
\end{tabular}
\end{center}
\caption{Results for 74 flights problem.}
\label{tab:74_20_1000}
\end{table}

