This is the fourth consecutive annual price increase; in 2016 they increased by 0.9% over the previous year, in 2017 by 1.6% and in 2018 by 1.5%.
To je bilo četrto zaporedno letno zvišanje cen; v letu 2016 so se glede na leto prej zvišale za 0,9 %, v letu 2017 za 1,6 %, v letu 2018 pa za 1,5 %.