You can find the filter option right below the search box. It is small but very effective!
Clicking the button reveals a list of filter options.
Before you continue, make sure My Content is there!
Otherwise filter on your institute first.
Click filter, then select Type and select all the following types:
Click filter, then select Publication category and Scientific
Click filter, then select Electronic version – DOI
Select Does not have a DOI associated
Click filter, then select Period, and Publication year: Last year (2018)
If you want a report for multiple years, select Interval, and add the start Year and end Year of the period you want to filter.