|
| Retraction note year | Total | ||||||||||||
| 2009 | 2010 | 2011 | 2012 | 2013 | 2014 | 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | ||
| Image retractions | 1 | 8 | 16 | 20 | 37 | 42 | 57 | 118 | 120 | 140 | 198 | 315 | 16 | 1088 |