How many truck driving games have been released in the past ten years?

There have been at least 13 truck driving games released in the last ten years: 18 Wheels of Steel, Hard Truck series, King of the Road, Euro Truck Simulator, Euro Truck Simulator 2, German Truck Simulator, UK Truck Simulator, Rig 'n' Roll, Cross Country Canada, Cross Country Canada 2, Rigs Of Rods, Street Cleaning Simulator, Scania truck driving simulator