March 7 (Reuters) - Slovak construction output rose by a real 24.1 percent year-on-year in Janaury after 17.6 percent growth in December, the Statistics Office said on Wednesday. CONSTRUCTION OUTPUT JAN 07 DEC 06 JAN 06 pct change yr/yr +24.1 +17.6 +4.6 (Reporting by Martin Santa in Bratislava) ((For past economic data and analysts' forecasts, double click on )) ((Editing by Alan Crosby; bratislava.newsroom@reuters.com; Reuters Messaging: martin.santa.reuters.com@reuters.net; +421 2 5341 8402)) Keywords: SLOVAKIA ECONOMY/CONSTRUCTION