;2014-2015;2015-2016;2016-2017;2017-2018;2018-2019;2019-2020;2020-2021
Duitsland;36.7%;36.0%;35.5%;32.9%;36.7%;35.8%;35.2%
Finland;28.6%;29.6%;27.3%;28.1%;28.5%;27.9%;28.2%
Verenigd Koninkrijk;26.2%;26.3%;26.5%;26.9%;26.3%;;
Zweden;25.9%;26.6%;27.5%;26.7%;27.3%;27.0%;28.1%
Frankrijk;25.3%;25.5%;25.7%;25.4%;25.8%;25.9%;25.6%
Zwitserland;24.4%;24.5%;24.8%;25.1%;25.3%;25.1%;25.3%
Italië;23.3%;23.2%;23.4%;24.2%;24.4%;22.6%;23.9%
Ierland;24.5%;24.0%;23.9%;24.1%;25.4%;26.4%;24.9%
Denemarken;19.6%;20.4%;21.1%;22.2%;22.5%;23.0%;24.0%
Spanje;25.5%;23.9%;23.5%;22.0%;22.0%;20.8%;21.5%
Vlaamse Gemeenschap;19.3%;18.8%;18.6%;19.2%;19.6%;19.2%;20.1%
Nederland;14.7%;;16.6%;;18.6%;18.8%;19.3%
België;16.8%;17.1%;16.7%;16.6%;17.5%;17.7%;18.6%