| Terms | Years | Strength | Begin | End | 2012-2021 |
| economic crisis | 2012 | 6.89 | 2013 | 2016 | ▂▃▃▃▃▂▂▂▂▂ |
| food security | 2012 | 2.84 | 2013 | 2015 | ▂▃▃▃▂▂▂▂▂▂ |
| financial crisis | 2012 | 2.73 | 2013 | 2015 | ▂▃▃▃▂▂▂▂▂▂ |
| arab spring | 2012 | 2.43 | 2013 | 2014 | ▂▃▃▂▂▂▂▂▂▂ |
| new forms | 2012 | 2.4 | 2013 | 2016 | ▂▃▃▃▃▂▂▂▂▂ |
| greek crisis | 2012 | 4.54 | 2014 | 2015 | ▂▂▃▃▂▂▂▂▂▂ |
| financial markets | 2012 | 2.79 | 2014 | 2016 | ▂▂▃▃▃▂▂▂▂▂ |
| sustainable development | 2012 | 3.15 | 2015 | 2017 | ▂▂▂▃▃▃▂▂▂▂ |
| global financial crisis | 2012 | 2.45 | 2015 | 2017 | ▂▂▂▃▃▃▂▂▂▂ |
| hegemonic discourse | 2012 | 3.11 | 2016 | 2018 | ▂▂▂▂▃▃▃▂▂▂ |
| current crisis | 2012 | 2.73 | 2016 | 2018 | ▂▂▂▂▃▃▃▂▂▂ |
| great recession | 2012 | 2.68 | 2017 | 2018 | ▂▂▂▂▂▃▃▂▂▂ |
| refugee crisis | 2012 | 5.11 | 2018 | 2019 | ▂▂▂▂▂▂▃▃▂▂ |
| public debate | 2012 | 3.09 | 2018 | 2021 | ▂▂▂▂▂▂▃▃▃▃ |
| austerity policy | 2012 | 2.9 | 2018 | 2019 | ▂▂▂▂▂▂▃▃▂▂ |
| public policy | 2012 | 2.53 | 2018 | 2021 | ▂▂▂▂▂▂▃▃▃▃ |
| social relation | 2012 | 2.49 | 2018 | 2019 | ▂▂▂▂▂▂▃▃▂▂ |
| syrian refugee crisis | 2012 | 2.48 | 2018 | 2019 | ▂▂▂▂▂▂▃▃▂▂ |
| political party | 2012 | 2.41 | 2018 | 2021 | ▂▂▂▂▂▂▃▃▃▃ |
| content analysis | 2012 | 4.59 | 2019 | 2021 | ▂▂▂▂▂▂▂▃▃▃ |
| in-depth interviews | 2012 | 2.64 | 2019 | 2021 | ▂▂▂▂▂▂▂▃▃▃ |
| southern europe | 2012 | 2.57 | 2019 | 2021 | ▂▂▂▂▂▂▂▃▃▃ |
| policy makers | 2012 | 2.5 | 2019 | 2021 | ▂▂▂▂▂▂▂▃▃▃ |
| previous research | 2012 | 2.5 | 2019 | 2021 | ▂▂▂▂▂▂▂▃▃▃ |