I did remember it partially wrong. As stated in the article [1] it was reduced by about half, and not to zero.

[1] http://www.vg.no/nyheter/meninger/arbeidsliv/fortsatt-behov-...

There is a documentary called Hjernevask from Norway that had a lot of controversy because of the topic. It is good to see different opinions of experts and what happened there:

https://www.youtube.com/watch?v=cVaTc15plVs