pre_text: part i item 1 entergy corporation , domestic utility companies , and system energy research spending entergy is a member of the electric power research institute ( epri ) . epri conducts a broad range of research in major technical fields related to the electric utility industry . entergy participates in various epri projects based on entergy's needs and available resources . the domestic utility companies contributed $ 1.5 million in 2003 , $ 2.1 million in 2002 , and $ 4 million in 2001 to epri . the non-utility nuclear business contributed $ 3 million in 2003 and 2002 and $ 2 million in 2001 to epri . employees employees are an integral part of entergy's commitment to serving its customers . as of december 31 , 2003 , entergy employed 14773 people. .
post_text: approximately 4900 employees are represented by the international brotherhood of electrical workers union , the utility workers union of america , and the international brotherhood of teamsters union. .
table: Entergy Arkansas 1,516
table: Entergy Gulf States 1,676
table: Entergy Louisiana 918
table: Entergy Mississippi 810
table: Entergy New Orleans 375
table: System Energy -
table: Entergy Operations 2,902
table: Entergy Services 2,755
table: Entergy Nuclear Operations 3,357
table: Other subsidiaries 255
table: Total Full-time 14,564
table: Part-time 209
table: Total Entergy 14,773
question: Analyse this data from a financial earnings document. what portion of the total entergy employees is represented by unions?