It loads only few filters because of performance of Interactive report.
If you edit the Column Definition for the column, under List of Values set the Column Filter Type to one of the other options like "User Defined List of Values to Filter Exact Match". You can then specify the query used to generate this list. You could use something like what 've listed below to grab the first 20000 records.
from (select name
order by name) em
where rownum <= 20000
But remember, it will always affect your interactive report page performance.
Or alternatively, you can use this link:
- Sunil Bhatia