Global seaborne coal trade rose by 5.7% last year, driven by rising demand from steelmakers for coking coal and its products as economies began to recover from the coronavirus crisis, Germany's VDKi coal importers lobby group said.Imports and exports of hard coal across the globe stood at 1.18 billion tons in 2021, up from 1.116 billion in 2020, the Verein der Kohlenimporteure (VDKi) estimated.Trade…