Inflation is highly manipulated by goverment and is usually 2x lower than real inflation. On the following site you can check the inflation calculated based on the past methods (before 1990): http://www.shadowstats.com/alternate_data/inflation-charts as you can see, inflation calculated using the old method is 2x higher than the current one (8% vs 16%)
You just seem to be generically responding to the keyword "inflation."
I would bet this rate is almost completely driven by fallout from a nearby war with a major energy exporter that's resulting in embargoes and boycotts:
> Energy prices continue to have the greatest effect in May, with price advance there jumping from 37.5 percent in April to 39.2 percent in May.
Estonia is quite close to that exporter, and I'd imagine they've been affected more than some other countries.