Gradsko<2013>19<2014>18.7<2015>17.8<2016>18.8<2017>17.5<2018>17.3<2019>17.9 Ostalo<2013>36.4<2014>33.8<2015>36.5<2016>33.5<2017>34.8<2018>35.6<2019>36.3