*U.K. 3-month To December Services Index Up 0.5% On Previous Three Months

*Slovenia Jan. Retail Sales Up 1.4% On Month

*U.K. Q4 GDP Down Rev. 3.3% Annually, Consensus 3.1% Fall

*Slovenia Q4 Jobless Rate At 6.4% Vs. 6.2% In Q3

*U.K. Dec Services Index Down 1.4% On Year, Rises 0.6% On Month