\begin{figure}[!t]
\renewcommand{\baselinestretch}{0.95}
\begin{center}
\scriptsize
\begin{tabular}{c|lrr|lr}
       &\multicolumn{3}{c|}{ranges}      &\multicolumn{2}{c}{values}\\\hline
project&feature&low&high&feature&setting\\\hline
&prec&2&3&docu&3\\
&flex&1&3&&\\
&resl&3&4&&\\
&team&3&4&&\\
JPL&pmat&3&4&&\\
flight&rely&4&5&&\\
software &cplx&4&5&&\\
circa 2000&ruse&2&4&&\\
&time&3&5&&\\
&stor&3&4&&\\
&acap&3&4.5&&\\
&pcap&3&4&&\\
&pcon&3&5&&\\
&apex&3&4&&\\
&plex&1&4.5&&\\
&ltex&3&4&&\\
&tool&2&4.5&&\\
&site&2&6&&\\
&Ksloc&10.21&294.39&&\\%\hline
\end{tabular}
\begin{tabular}{c|lrr|lr}
       &\multicolumn{3}{c|}{ranges}      &\multicolumn{2}{c}{values}\\\hline
project&feature&low&high&feature&setting\\\hline
&prec&1&5&docu&3\\
&resl&2&3&&\\
&team&2&6&&\\
&pmat&2&4&&\\
JPL&rely&3&4.5&&\\
flight&cplx&3&6&&\\
software &ruse&2&3&&\\
circa 1990&time&3&6&&\\
&pvol&2&4&&\\
&acap&2&5&&\\
&pcap&3&5&&\\
&pcon&1.5&5&&\\
&plex&1&4&&\\
&ltex&2&5&&\\
&tool&1&3&&\\
&site&2&6&&\\
&docu&3&4&&\\
&Ksloc&8&253.13&&\\
\end{tabular}
\end{center}
\caption{JPL flight circa 1990 and 2000}\label{fig:flight9000}
\end{figure}

\begin{figure}[!t]
\renewcommand{\baselinestretch}{0.95}
\begin{center}
\scriptsize
\begin{tabular}{c|lrr|lr}
       &\multicolumn{3}{c|}{ranges}      &\multicolumn{2}{c}{values}\\\hline
project&feature&low&high&feature&setting\\\hline
&pmat&1&3&prec&2\\
&rely&4&5&flex&2\\
&cplx&4&5&resl&2\\
JPL&data&2&5&team&3\\
flight&time&5&6&ruse&3\\
software &stor&5&6&pcon&3\\
circa 1980&pvol&2&4&site&4\\
&acap&3&5&docu&4\\
&pcap&3&4&&\\
&apex&2&4&&\\
&plex&1&4&&\\
&ltex&2&4&&\\
&tool&1&2&&\\
&sced&3&5&&\\
&Ksloc&1.5&233&&\\%\hline
\end{tabular}
\begin{tabular}{c|lrr|lr}
       &\multicolumn{3}{c|}{ranges}      &\multicolumn{2}{c}{values}\\\hline
project&feature&low&high&feature&setting\\\hline
&rely&3&5&prec&2\\
&cplx&2&6&flex&2\\
&data&2&4&resl&2\\
JPL&time&3&6&team&3\\
flight&stor&4&6&pmat&3\\
software &pvol&2&4&ruse&3\\
circa 1970&acap&4&5&pcon&3\\
&pcap&4&5&site&4\\
&apex&4&5&docu&4\\
&plex&1&4&&\\
&ltex&1&4&&\\
&tool&1&2&&\\
&sced&3&5&&\\
&Ksloc&2.5&165&&\\
\end{tabular}
\end{center}
\caption{JPL flight circa 1970 and 1980}\label{fig:flight7080}
\end{figure}

\begin{figure}[!t]
\renewcommand{\baselinestretch}{0.95}
\begin{center}
\scriptsize
\begin{tabular}{c|lrr|lr}
       &\multicolumn{3}{c|}{ranges}      &\multicolumn{2}{c}{values}\\\hline
project&feature&low&high&feature&setting\\\hline
&sced&3&5&prec&4\\
&&&&flex&2\\
&&&&resl&3\\
&&&&team&4\\
JPL&&&&pmat&3\\
ground&&&&rely&3\\
software &&&&cplx&3\\
circa 2000&&&&data&2\\
&&&&ruse&4.5\\
&&&&time&3\\
&&&&stor&3\\
&&&&pvol&2\\
&&&&acap&4\\
&&&&pcap&4\\
&&&&pcon&4\\
&&&&apex&5\\
&&&&plex&5\\
&&&&ltex&3\\
&&&&tool&1.5\\
&&&&site&4.5\\
&&&&docu&3\\
&&&&Ksloc&378.42\\%\hline
\end{tabular}
\begin{tabular}{c|lrr|lr}
       &\multicolumn{3}{c|}{ranges}      &\multicolumn{2}{c}{values}\\\hline
project&feature&low&high&feature&setting\\\hline
&prec&2&5.5&&\\
&flex&2&5&&\\
&resl&2&4&&\\
&team&2&5&&\\
JPL&pmat&2&4&&\\
ground&cplx&2&5&&\\
software &data&2&4&&\\
circa 1990&ruse&2&4.5&&\\
&time&3&4&&\\
&stor&3&4&&\\
&pvol&2&4&&\\
&acap&3&4.5&&\\
&pcap&3&5&&\\
&pcon&1.5&5&&\\
&plex&2&5&&\\
&tool&1&4.5&&\\
&site&4&5&&\\
&docu&2&5&&\\
&Ksloc&10.5&900&&\\
\end{tabular}
\end{center}
\caption{JPL ground circa 1990 and 2000}\label{fig:ground9000}
\end{figure}

\begin{figure}[!t]
\renewcommand{\baselinestretch}{0.95}
\begin{center}
\scriptsize
\begin{tabular}{c|lrr|lr}
       &\multicolumn{3}{c|}{ranges}      &\multicolumn{2}{c}{values}\\\hline
project&feature&low&high&feature&setting\\\hline
&prec&2&6&ruse&3\\
&flex&2&6&pcon&3\\
&resl&2&6&site&4\\
&team&3&6&&\\
JPL&pmat&1&3&&\\
ground&rely&2&5&&\\
software &cplx&2&6&&\\
circa 1980&pvol&2&4&&\\
&acap&3&5&&\\
&pcap&3&5&&\\
&apex&3&5&&\\
&plex&2&5&&\\
&ltex&3&4&&\\
&tool&1&4&&\\
&sced&2&5&&\\
&docu&2&4&&\\
&Ksloc&0.81&333&&\\%\hline
\end{tabular}
\begin{tabular}{c|lrr|lr}
       &\multicolumn{3}{c|}{ranges}      &\multicolumn{2}{c}{values}\\\hline
project&feature&low&high&feature&setting\\\hline
&prec&2&6&ruse&3\\
&flex&2&6&pcon&3\\
&resl&2&6&site&4\\
&team&3&6&&\\
JPL&pmat&1&3&&\\
ground&rely&2&5&&\\
software &cplx&3&6&&\\
circa 1970&stor&3&5&&\\
&pvol&2&4&&\\
&acap&3&5&&\\
&pcap&3&5&&\\
&apex&3&5&&\\
&plex&1&4&&\\
&ltex&3&4&&\\
&tool&1&2&&\\
&sced&2&5&&\\
&docu&2&4&&\\
&Ksloc&63&980&&\\
\end{tabular}
\end{center}
\caption{JPL ground circa 1970 and 1980}\label{fig:ground7080}
\end{figure}