Total line (sum of column values) on Buildings Efficiency Rating

[Eofold]

Is it possible to add a total line with sum values of every column on Buildings Efficiency Rating.
Then manual calculation is not necessary. ;)

[outoftheline]

I am sorry, I am not sure what you mean?

[Eofold]

Have found it also as an open issue here
#3173
then it should be clear. ;)