Table 4: CRS relative efficiency observed in Iranian insurance companies in percent (%): 2003–2010; DEA with certain and uncertain outputs (traditional DEA versus robust DEA).

DMUsYear
20032004200520062007200820092010
Certain
outputs
Uncertain
outputs
Certain
outputs
Uncertain
outputs
Certain
outputs
Uncertain
outputs
Certain
outputs
Uncertain
outputs
Certain
outputs
Uncertain
outputs
Certain
outputs
Uncertain
outputs
Certain
outputs
Uncertain
outputs
Certain
outputs
Uncertain
outputs

DMU1a100100100100100100100100100100100100100100100100
DMU2a1001001001001001001001001001001001001001007167
DMU3a1001001001001001006868100100100100100100100100
DMU4a46465145726156426464717174736053
DMU541416933261427205651353470649792
DMU610088715810099797975747978100100100100
DMU7706067615757666498981009087776968
DMU8867110010086811001001005310058100100100100
DMU932314942555551265128545453474429
DMU10100100100100100100100100100100100100100100100100
DMU11100941007810044100626531523844335221
DMU1210010010010010071100331009710074100100100100
DMU131001006356545079789595100100100100100100
DMU1492462166857100100100100100100100100
DMU15100100100100100100100881009210076
DMU16342273579796100100100647469
DMU171005561534334585272495135
DMU1877526940522464306933
DMU19624864465330
DMU2010010010036
Average83798373776578668476827486798270
Standard deviation26262027293221272129232619262130

aState-owned insurers.