The marked increase in the year-on-year rate of price increase in 2017 was mainly due to energy prices. Compared with 2016, energy prices increased by 3.1% in 2017 after they had declined in the previous three years (2016: –5.4%; 2015: –7.0%; 2014: –2.1%). Regarding energy products, especially the prices of heating oil (+16.0%) and motor fuels (+6.0%) were up in 2017 year on year. Declining prices were however recorded for gas (–2.8%) and charges for central and district heating (–1.5%).