OREANDA-NEWS. As InfoMarket was informed in the National Bureau of Statistics, compared to December 2012 they increased by 2.5% and as compared to September of the last year by 3,4%, respectively. The prices in mining industry in September 2013 decreased by 2.6 % compared with December 2012. At the same time, they increased by 0.2 % compared to August 2013 and by 1.1 % compared with September of the last year. The prices in processing industry increased by 3.3 % compared with December 2012, by 0.6 % compared with August 2013 and by 4.2 % compared with September of the last year. The prices in the energy sector in September 2013 decreased compared to December 2012 and September 2012 by 2.4 %, but remained unchanged in comparison with August 2013.