Finland has the same system as Norway, and Finnish tabloids are full of the incomes & taxes of the rich and famous every year once the tax records come out. Last year, one of them published the tax records of all Finns earning over 120k EUR/year:
Not sure what that has to do specifically with publishing the incomes of rich people. Also, in general, Finnish yellow press is really damn tame compared to "real" tabloids like those in the UK.
Celebs and the so called metropolitan elites or judges who might take issue with Rupert Murdoch, Paul Dace and the Barclay Brothers and thus put themselves in the presses firing lines
http://www.iltalehti.fi/verot-2016/tiedot/
http://www.iltalehti.fi/verot-2016/tiedot/top-kaikki.shtml (the top 2000)