Guidance for foreign retirement account 89A and new form 10-EE

In the new IT returns , there is a section to add details of foreign retirement accounts.

do we add cumulative income in retirement account since the time person became resident or just income from previous year ?

Say, in case person was NRI till FY 16  with retirement corpus of 10 L and become resident from then
From FY 17 to FY 21, corpus increased to 15L and in FY 22 it increased to 16 L ?

Exactly what amount is to be added in 

In d. Income from retirement benefit account maintained in a notified country u/s 89A 

Is it 6  (16-10) or cumulative income  or 1 (just income in FY 22)