FRANKFURT (Reuters) – Germany imported 22.1% less natural gas in the first four months of 2022 but the cost surged 170% from a year earlier as prices soared, official data from foreign trade office BAFA showed on Thursday. BAFA releases import data with a two-month delay, so the April statistics are the second to reflect the impact of Russia’s invasion of Ukraine from Feb. 24 and efforts by European governments to impose sanctions against Moscow over its actions, which the Kremlin calls a “special operation” to disarm its neighbour. Germany, Europe’s biggest economy, mainly imports gas from Ru…