Google does this quite well: https://www.google.com/publicdata/explore?ds=ds22a34krhq5p_&ctype=l&strail=false&bcs=d&nselm=h&met_y=gd_mio_eur&scale_y=lin&ind_y=f

Google does this quite well: https://www.google.com/publicdata/explore?ds=ds22a34krhq5p_&ctype=l&strail=false&bcs=d&nselm=h&met_y=gd_mio_eur&scale_y=lin&ind_y=false&rdim=country_group&idim=country:at:bg:hr:cy:cz:ee:dk:be:fi:fr:de:el:hu:ie:it:lv:lt:lu:mt:nl:pl:pt:ro:sk:si:es:uk:se&ifdim=country_group&hl=en_US&dl=en_US&ind=false&icfg&iconSize=0.5 https://www.google.com/publicdata/explore?ds=ds22a34krhq5p_&...