The number of unemployed people in Germany rose by 31,000 to 2.637 million in December compared to November, mainly due to seasonal factors, the Federal Employment Agency reported on Wednesday. The unemployment rate rose by 0.1 percentage points to 5.7%, the agency said on Wednesday. Compared to the same time last year, the number of unemployed rose by 183,000. The Federal Employment Agency based its statistics on data available up to December 13. “With the start of the winter break, unemployment and underemployment increased in December, as is usual in this month,” said Andrea Nahles, chairwo…