sta sta_std gross_integ_prod net_integ_prod integ_respir 7 N7 241.88 75.43 166.45 13 S11 315.05 73.97 256.21 17 S15 337.68 160.44 220.24 22 S7 408.02 169.02 239.00 27 S4 246.11 125.74 117.74 29 S2 200.63 78.97 121.66