137643 EF efficiency 50 912570 Eff efficiency 46 136941 EE efficiency 9 134365 EC efficiency 4 903006 ECI efficiency 3 139914 Ei efficiency 3 143298 EN efficiency 2 153549 EY efficiency 2 2622748 ECF-F efficiency 1 2632486 EFIC efficiency 1 913069 EFe efficiency 1 917579 EIC efficiency 1 913295 EfI efficiency 1