Number of papers per country per year
| Paris 2004 | Salerno 2005 | Marseille 2006 | Lefkada 2007 | Berlin 2008 | Porto 2009 | Barcelona 2010 | Padova 2011 | Copenhangen 2012 | Stockholm 2013 | Athens 2014 | Maynooth 2015 | Hamburg 2016 | Espoo 2017 | Limassol 2018 | Málaga 2019 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Australia | 1 | 0 | 0 | 0 | 0 | 2.13 | 0 | 0.5 | 1.33 | 2 | 4.25 | 0.17 | 1.13 | 1 | 0 | 0.5 |
| Austria | 1.5 | 0.67 | 0.67 | 0 | 0 | 8 | 5.83 | 7 | 6.67 | 4.53 | 10.17 | 1 | 2 | 2.75 | 0.33 | 1 |
| Belgium | 0 | 0.5 | 0 | 0 | 0 | 2.33 | 2.5 | 1 | 0 | 0 | 2 | 0 | 0 | 0 | 0 | 0 |
| Brazil | 0.8 | 0.5 | 0 | 0 | 1 | 3.5 | 2 | 3 | 2 | 7.08 | 8.06 | 4.5 | 0 | 0 | 3.75 | 0 |
| Canada | 1.5 | 0 | 3 | 2.67 | 0 | 2.53 | 1 | 7.33 | 7 | 10.22 | 9.08 | 4.78 | 4.25 | 2.6 | 4.25 | 3 |
| Chile | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1.33 | 0 | 0 | 0 | 0 | 0 |
| China | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0.33 | 1 | 0 | 0 | 1 | 0.25 |
| Colombia | 0 | 0.5 | 0.2 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Costa Rica | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 |
| Croatia | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 1 | 1.33 | 0 | 0 | 0 | 1 |
| Cyprus | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0.5 | 0 |
| Denmark | 0 | 1.5 | 0 | 1 | 0 | 0.25 | 3 | 2 | 4 | 2.67 | 6.33 | 2 | 2 | 3.58 | 10.17 | 11.25 |
| Ecuador | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0.11 | 0 | 0 | 0 | 0 | 0 |
| Egypt | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 |
| Estonia | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0.67 |
| Finland | 3 | 2 | 0 | 0 | 0 | 3 | 2.5 | 1.5 | 2.5 | 12.7 | 5.5 | 1.5 | 0 | 5.8 | 2.83 | 4 |
| France | 14.2 | 3.5 | 13.55 | 17.67 | 6 | 8.35 | 11.5 | 6.67 | 7 | 7.95 | 30.12 | 4 | 3.25 | 3.23 | 5.58 | 9.17 |
| Germany | 2 | 1.33 | 1 | 3.33 | 3.01 | 3.23 | 2.33 | 1.25 | 2.5 | 2 | 11.83 | 2.5 | 9.5 | 2.92 | 2.83 | 5.08 |
| Greece | 2 | 1.5 | 1 | 14 | 1.67 | 1.75 | 0.5 | 0 | 0.5 | 0.75 | 13.8 | 0.5 | 2 | 0 | 8.63 | 1.58 |
| Hong Kong | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3.67 | 0 | 0 | 0 | 0 | 1 |
| Hungary | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0.2 | 0 | 1 | 0 | 0 | 0 | 0 | 0.13 | 0 |
| Iceland | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0.17 | 0.5 |
| India | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0.25 | 0 | 0.25 | 0 | 0.33 | 1 |
| Ireland | 0 | 0 | 0 | 0 | 1 | 1 | 0.5 | 0.5 | 0 | 0 | 1.92 | 8 | 0 | 3 | 2 | 0 |
| Italy | 5 | 12.17 | 4.33 | 3.83 | 2.75 | 4.57 | 5.67 | 10.8 | 5 | 5.33 | 16.75 | 6.3 | 3.55 | 5.55 | 3 | 4 |
| Japan | 2 | 1 | 0 | 0 | 0 | 1.4 | 5 | 6 | 3.5 | 8.67 | 19.83 | 13 | 4.6 | 6 | 4 | 7 |
| Latvia | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0.33 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Malaysia | 1.5 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | 0 |
| Malta | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 |
| Mexico | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 |
| Netherlands | 0 | 0 | 0 | 0 | 1 | 1.33 | 0.33 | 0 | 0.29 | 2.18 | 1.25 | 0.11 | 0 | 0 | 1 | 0 |
| New Zealand | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0.2 | 10.35 | 0 | 0 | 0 | 0 | 0 |
| Norway | 0 | 0 | 0 | 0 | 0 | 0.17 | 0 | 2 | 3.67 | 1 | 3.25 | 0 | 1.25 | 4.33 | 0.17 | 4.83 |
| Poland | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 1 | 1 | 0 | 0 | 0 | 0 | 0 |
| Portugal | 0 | 0 | 1 | 1.67 | 2.5 | 1.53 | 2.47 | 1 | 2 | 4.25 | 4.83 | 0 | 2 | 2 | 0 | 0.33 |
| Romania | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 |
| Russia | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 1 | 0 | 0 |
| Singapore | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0.5 | 3 | 4.5 | 0 | 0 | 1 | 0 | 1 |
| Slovakia | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0.5 | 0.33 | 0 |
| Slovenia | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| South Africa | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 |
| South Korea | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 2 | 3.2 | 0 | 0 | 2 | 0 | 0 |
| Spain | 2 | 0.33 | 0.25 | 0 | 4.5 | 4.35 | 14.18 | 1 | 2 | 5.45 | 7.17 | 4.67 | 6 | 2.2 | 5.25 | 7 |
| Sweden | 0 | 0 | 0 | 1 | 0 | 1.67 | 0 | 2.67 | 2.33 | 5.23 | 2.78 | 0.11 | 6.52 | 1.67 | 1.17 | 7.67 |
| Switzerland | 1 | 0 | 0 | 0 | 0 | 0.37 | 0 | 1 | 3.83 | 3 | 7.27 | 3.2 | 5.5 | 2 | 1.33 | 4.17 |
| Taiwan | 0 | 0 | 0 | 0.25 | 0 | 0 | 0 | 0 | 1 | 0 | 3.5 | 0 | 1 | 0 | 1.33 | 1 |
| Turkey | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 1.25 | 1 | 1 | 0.5 | 0 | 0 | 0.33 |
| United Arab Emirates | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0.58 | 0 | 1 | 0 | 0.67 | 1 |
| United Kingdom | 6 | 3.5 | 0 | 15.08 | 7.07 | 2.92 | 7.36 | 14.67 | 11.38 | 15.66 | 30.33 | 11.5 | 9.35 | 7.53 | 8.17 | 8.67 |
| United States | 3.5 | 2 | 3 | 3.5 | 2.5 | 6.63 | 6.33 | 7.58 | 4 | 6.88 | 51.64 | 3.83 | 9.35 | 3.33 | 8.08 | 12 |
| Uruguay | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |