While extarcting from R/3, the [b]delta load[/b]

Hello All

While extarcting from R/3, the <b>delta load</b> runs daily and extracts some amount of data,but today it extracted 3 times the amount of data when compared to yesterdays

I could'nt able to findout exactly what will be reason.Might be in source the data will be added.But how to make conform of this that data in R/3 is created more.

In source R/3 where can we check for this particular datasource that how much records are being there before extraction

How to findout this

Can anyone will help me out this

Regards

Balji