110 | Annual Report 2018 Concluded cases Cases concluded in 2018 — by authority etc. 2018 4,955 cases 2017 5,062 cases 2016 4,682 cases Investigations 15.4% 66.3% Other forms of processing and assistance to citizens 18.3% Rejections for formal reasons 17.7% Investigations 64.4% Other forms of processing and assistance to citizens 17.9% Rejections for formal reasons 18.1% Investigations 63% 18.9% Other forms of processing and assistance to citizens Rejections for formal reasons