\addplot[smooth,black,thick,dashed,mark=o,mark options={solid}]
plot coordinates{(1,907.317)(2,776.29)(3,742.073)(4,468.506)(5,0)(6,0)(7,0)(8,0)(9,0)(10,0)(11,0)(12,0)(13,0)(14,0)(15,0)(16,0)(17,0)(18,0)(19,0)(20,0)(21,0)};
\addlegendentry{1$^{(P)}$-1$^{(W)}$}
\addplot[smooth,violet,thick,dashed,mark=square,mark options={solid}] %
plot coordinates{(1,0)(2,0)(3,0)(4,0)(5,0)(6,0)(7,0)(8,0)(9,0)(10,0)(11,0)(12,0)(13,0)(14,0)(15,0)(16,0)(17,0)(18,345.142)(19,1085.611)(20,771.369)(21,847.023)};
\addlegendentry{1$^{(P)}$-7$^{(W)}$}
\addplot[smooth,green,thick,dashed,mark=triangle,mark options={solid}] %
plot coordinates{(1,1105.289)(2,1065.054)(3,1107.407)(4,1079.699)(5,1095.164)(6,1052.561)(7,1053.093)(8,1045.221)(9,960.751)(10,963.839)(11,899.794)(12,764.915)(13,735.794)(14,465.67)(15,0)(16,0)(17,0)(18,0)(19,0)(20,0)(21,0)};
\addlegendentry{2$^{(P)}$-2$^{(W)}$}
\addplot[smooth,teal,thick,dashed,mark=*,mark options={solid}] %
plot coordinates{(1,1170.677)(2,1151.473)(3,1170.119)(4,1163.747)(5,1169.407)(6,1125.74)(7,1118.682)(8,1104.636)(9,1084.817)(10,1087.824)(11,1105.378)(12,1068.219)(13,1109.358)(14,1081.752)(15,1096.011)(16,1052.753)(17,1052.559)(18,1044.291)(19,959.265)(20,961.902)(21,897.186)};
\addlegendentry{3$^{(P)}$-3$^{(W)}$}
\addplot[smooth,cyan,thin,mark=o] %
plot coordinates{(1,1147.54)(2,1230.922)(3,1196.646)(4,1220.174)(5,1208.908)(6,1239.191)(7,1208.993)(8,1216.854)(9,1173.149)(10,1176.102)(11,1177.151)(12,1152.965)(13,1168.737)(14,1162.255)(15,1167.911)(16,1126.04)(17,1117.712)(18,1103.934)(19,1083.958)(20,1086.908)(21,1103.953)};
\addlegendentry{4$^{(P)}$-4$^{(W)}$}
\addplot[smooth,red,thin,mark=square] %
plot coordinates{(1,832.074)(2,944.694)(3,1008.035)(4,1017.744)(5,1030.234)(6,1053.828)(7,1061.079)(8,1115.527)(9,1122.359)(10,1196.344)(11,1144.83)(12,1232.116)(13,1195.453)(14,1218.761)(15,1208.059)(16,1238.639)(17,1208.639)(18,1216.381)(19,1172.475)(20,1175.226)(21,1175.796)};
\addlegendentry{5$^{(P)}$-5$^{(W)}$}
\addplot[smooth,orange,thin,mark=triangle] %
plot coordinates{(1,0)(2,0)(3,0)(4,0)(5,0)(6,0)(7,0)(8,324.345)(9,1073.913)(10,763.275)(11,827.245)(12,944.811)(13,1006.768)(14,1016.602)(15,1029.482)(16,1053.646)(17,1061.394)(18,1115.892)(19,1122.646)(20,1196.324)(21,1144.661)};
\addlegendentry{6$^{(P)}$-6$^{(W)}$}
\addplot[smooth,purple,thin,mark=*] %
plot coordinates{(1,1170.677)(2,1230.922)(3,1196.646)(4,1220.174)(5,1208.908)(6,1239.191)(7,1208.993)(8,1216.854)(9,1173.149)(10,1196.344)(11,1177.151)(12,1232.116)(13,1195.453)(14,1218.761)(15,1208.059)(16,1238.639)(17,1208.639)(18,1216.381)(19,1172.475)(20,1196.324)(21,1175.796)};
\addlegendentry{$p_{max}$}
