What are the release dates for Barkitecture - 2005 Doggie Dock Ramp - 2.6?

What are the release dates for Barkitecture - 2005 Doggie Dock Ramp - 2.6?
Barkitecture - 2005 Doggie Dock Ramp - 2.6 was released on:

USA: 7 August 2006