Algerian Foreign Minister Mourad Medelci met here today with German Foreign Minister Guido Westerwelle, who is currently on a two-day official visit to Algeria. During the meeting, they discussed regional and international issues of common interest in addition to means of enhancing relations between the two countries in the field of economy. In 2011, the volume of trade exchange between Algeria and Germany increased by 30% over the last year, reaching $ 3 billion.