Czech car maker Skoda Auto AS, a unit of Germany's Volkswagen AG, said that its global sales in August 2012 rose by 12% YoY to 67,700 cars, an all time high in this month for the 117 year old company. The sales record at Skoda Auto, the bellwether of the Czech automotive focused economy and the country's key exporter, bodes well for the export led recovery of the Czech economy in the second half of the…