(2) 根据Four Paws于 2020年发布的报告，欧洲国家（包括欧盟以外的国家，比如黑山共和国）在2018 - 2019年共报告了913只人工饲养虎。850这一数字是将欧盟和英国以外的国家从这个数字中减去的结果。
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