Dear Hanka,
You can use "Find dogs with ED:" from the
Stat tool and choose 0, 1, 2 or 3 ; + filter on country and if dogs had offsprings.
However, I did not update the database since 6 months... shame on lazy me.
ED 3 :
ED_3
ED 2 :
ED_2
ED 1 :
ED_1
ED 0 :
ED_0