A van carrier transports a container at the container terminal “Burchardkai” of the Hamburger Hafen und Logistik AG (HHLA) in the harbour of Hamburg in this file photo. German economic growth doubled to the fastest rate in three years in the first three months of 2014, boosted by domestic demand and mild weather, but the expansion is expected to slow as uncertainty about the global outlook could weigh further. SD-Agencies