BERLIN, Jan 31 (Reuters) - Germany's Federal Labour Office reported the following economic indicator on Tuesday: GERMAN UNEMPLOYMENT JAN 17 DEC 16 JAN 16 Change (adj) -26,000 -20,000 -12,000 Number (adj) 2.605 mln 2.631 mln 2.736 mln Rate (adj) 5.9 pct 6.0 pct 6.2 pct Change (unadj) +209,114 +36,298 +239,006 Number (unadj) 2.777 mln 2.568 mln 2.920 mln Rate (unadj) 6.3 pct 5.8 pct 6.7 pct (Reporting by Berlin newsroom)