The net nominal average salary in January reached RON 1,548 in January, RON 149 (8.8 pc) less than the previous month, and the average gross salary diminished by 8.7 pc to RON 2,138, the National Statistics Institute (INS) announced yesterday. The highest net salary was paid in the air transport sector (RON 3,799) and the lowest in the hotels and restaurants industry (RON 840). The real salary gain index for January 2013 against the previous month, calculated as a ratio between the net nominal salary gain and the consumer prices index stood at 90 pc. The most significant decreases of the net average gain were 20-26.5 pc in the extraction of metal minerals, activities of publishing, forestry and woodcutting (also fisheries and aquaculture), wood processing, manufacturing of wood and cork products (except furniture and the production of items made of straw and other wickerwork) and telecommunications. Slight increases of the net average salary against the previous month were registered in the extractive industry (2.1 pc) and were due to the unpaid leaves taken by the personnel that earns small wages, or to increased production achievments. In the state sector, the net average salary diminished compared to the previous month in the medical and social assistance sector (-1.4 pc) and education (-1.3 pc), mainly because of the bonuses granted in December to the employees of private units. Slight increases of the net average gain compared to December 2012 were registered in public administration (0.7 pc) due to promotions in professional grades.In January 2013, compared to January 2012, the net salary advanced by 5.5 pc. The real salary index against the same interval of the previous month was 99.6 pc.