Electricity is expensive in Germany now and a hashrate of 4.48% is a lot.
That is taken from Cambridge's study:
https://ccaf.io/cbeci/mining_mapand they have a note added for Germany and Ireland
* To our knowledge, there is little evidence of large mining operations in Germany or Ireland that would justify these figures. Their share is likely significantly inflated due to redirected IP addresses via the use of VPN or proxy services.
It's highly probable that they don't have even 0.4% combined, Spain which has no need for VPNs and has cheaper electricity is quoted at 0.02%, so a 0.0something is more likely.I would expect the loss of 3 exahash for Russia in the last months to be also influenced by this as lately when I'm letting my VPN randomly select IPs I instantly know when it has switched to a Russian one as it's one website blocked after another.
Bitcointalk has been working in Russia through VPN for a long time, but I don't have much difficulty with blocking. Some pools blocked Russian IPs, but they didn't stop working with Russian miners. In Siberia, very large investments are spent on mining, because there is a lot of cheap electricity. I think that at the end of the year mining statistics will change a lot in favor of Russia.