wimus, as I wrote in the message, those were condensated numbers (all versions).
To extrapolate ER,XR from standard release you have to do some work, downloading a spreadsheet and working around it, which I have no time to do it today. sorry.
KEPPRA had
Levetiracetam ER 2016 Sales: 249.9Mln
Keppra XR 2016 Sales: 102.99Mln
Respectively, 2017, ytd
ER 211.54Mln
XR 74Mln
Glucophage
Metphormin ER was 4.29Bln 2016 - 3.14Bln YTD
Glucophage XR was 7.04Mln 2016 - 5.05Mln YTD
but you also have under the same molecule GLUMETZA, FORTAMET, RIOMET