(1988), and New York (1988). Since the start of trading in 1961, Volkswagen AG shares have been subjected to two stock splits – the first was on 17 March 1969 when they were split at a ratio of 2:1, from a DM 100 share to a DM 50 share. The second split occurred on 6 July 1998, the DM 50 share being converted into a share of no overall nominal value, at a ratio of 1:10. From 23 December 2009, Volkswagen AG preferred shares replaced its ordinary shares in the DAX index. Leadership, sales and market share In 2018, Volkswagen Group's largest single country market was China with 4.20 million units delivered, followed by Germany with 1.12 million units. Divided by regions, Asia-Pacific was the second-largest market of the Volkswagen Group with 4.50 million units in 2013, followed by Western Europe with 4.14 million, and North America with 943,000 units delivered in 2018. The European ranking of automakers is compiled monthly by the European Auto Manufacturers' Association ACEA. Volkswagen has held the top spot in Europe uninterrupted for more than two decades. The company was again the top global automaker in 2018, for the fifth consecutive year, selling 10.083 million vehicles in the year 2018, just 7,000 more than the Renault–Nissan–Mitsubishi Alliance. Co-management With 120,000 employees in Germany and 600,000 globally, it is one of the most well organized labour represented companies in the world. The role that Works Councils and the trade union IG Metall play is unique even within Germany. VW workers have some of the strongest collective agreements. With the exception of the United States, all of its major locations are represented in the Global Works Council and local trade union bodies. VW has a strong tradition and practice of social partnership and co-determination rights globally. Sponsorships Volkswagen is heavily involved in sports sponsorship, with investments having included the 2008 Summer Olympics, the 2014 Winter Olympics, as well as the David Beckham Academy. Volkswagen AG wholly owns the Bundesliga football side VfL Wolfsburg; the company is also the shirt sponsor of Major League Soccer club D.C. United, League of Ireland Premier Division Sligo Rovers and top level of the Mexican football league system Liga MX team Puebla F.C. See also List of automobile manufacturers List of automobile manufacturers of Germany List of Volkswagen Group factories List of Volkswagen Group platforms Wolfsburg Volkswagen Plant Notes References Corporate documents