| 115 Concluded cases1 2019 5,574 cases 2018 4,955 cases 2017 5,062 cases 14.8% Investigations 67.7% 17.5% Other forms of processing and assistance to citizens Rejections for formal reasons 15.4% Investigations 66.3% Other forms of processing and assistance to citizens 18.3% Rejections for formal reasons 17.7% Investigations 64.4% 17.9% 1) Administrative cases are not included. In addition, cases selected for collective review in connection with general own-initiative investigations are not normally included. Other forms of processing and assistance to citizens Rejections for formal reasons