Religion , 40.3% of the population of the state adhered to the Roman Catholic Church and 26.8% to the Evangelical Church in Germany; 32.9% of the population is irreligious or adheres to other religions. Muslims made up 5.0% of the total. Jewish culture The league of ShUM-cities in the later Rhineland-Palatinate comprised the Jewish communities of Mainz, Speyer, and Worms, which became the center of Jewish life during medieval times. The Takkanot Shum (), or Enactments of ShU"M were a set of decrees formulated and agreed upon over a period of decades by their Jewish community leaders. Today, there are approximately 20,000 Jews (0.5% of the population) living in the state. Economy The gross domestic product (GDP) of the state was 147.0 billion euros in 2018, accounting for 4.4% of German economic output. GDP per capita adjusted for purchasing power was 33,100 euros or 110% of the EU27 average in the same year. The GDP per employee was 102% of the EU average. Industry Rhineland-Palatinate leads all German states with an export rate around 50%. Important sectors are the winegrowing, chemical, pharmaceutical, and auto parts industries. "Distinctive regional industries" includes gemstones, ceramics and glass, and leather. Small and medium enterprises are considered the "backbone" of the economy in Rhineland-Palatinate. The principal employer is the chemical and plastics processing industry, which is represented by BASF in Ludwigshafen. Boehringer, BioNTech, Joh. A. Benckiser, SGE Deutsche Holding, and Schott Glassworks conclude the top five companies in the state. Agriculture and viticulture Rhineland-Palatinate is Germany's leading producer of wine in terms of grape cultivation and wine export. Its capital, Mainz, may be called the capital of the German wine industry, being the home of the German Wine Institute, the German Wine Fund in the (House of German Wine), and the Wine Bourse, which brings together the top winemakers of Germany and the wine merchants of the world. Of 13 wine regions producing quality wine in Germany, six (, and ) are located in Rhineland-Palatinate, with 65 to 70% of the production of wine grapes in Germany having their origin within the state. About 13,000 wine producers generate 80 to 90% of the German wine export. The total estimated production from the six Rhineland-Palatinate regions was nearly 7 million hectoliters in 2018. Traditional grape varieties and a wide range of varieties developed during the last 125 years are characteristic for the region. Classical white varieties