Passage: Germany has been the home of many famous inventors and engineers, including Hans Geiger, the creator of the Geiger counter; and Konrad Zuse, who built the first fully automatic digital computer. Such German inventors, engineers and industrialists as Count Ferdinand von Zeppelin, Otto Lilienthal, Gottlieb Daimler, Rudolf Diesel, Hugo Junkers and Karl Benz helped shape modern automotive and air transportation technology. German institutions like the German Aerospace Center (DLR) are the largest contributor to ESA. Aerospace engineer Wernher von Braun developed the first space rocket at Peenemünde and later on was a prominent member of NASA and developed the Saturn V Moon rocket. Heinrich Rudolf Hertz's work in the domain of electromagnetic radiation was pivotal to the development of modern telecommunication.Research institutions in Germany include the Max Planck Society, the Helmholtz Association, the Fraunhofer Society and the Leibniz Association. The Wendelstein 7-X in Greifswald hosts a facility in the research of fusion power for instance. The Gottfried Wilhelm Leibniz Prize is granted to ten scientists and academics every year. With a maximum of €2.5 million per award it is one of the highest endowed research prizes in the world.

Question: How often is the prize granted?
every year