PARIS (Reuters) - French carmaker PSA Group said on Thursday global sales fell 10% last year to 3.49 million units, compared with a record 3.88 million in 2018, as it suffered from declining volumes in China, the Middle East and Africa.In its European home market, Paris-based PSA's sales declined by 2.5% in 2019 to 3.11 million vehicles, with its Opel-Vauxhall brand suffering the steepest fall, down 6.4%.In Europe, helped by an increase in sales of light commercial vehicles (LCVs), PSA said in..