March 14 (Reuters) - Slovakia's foreign trade balance swung to a surplus of 3.98 billion crowns ($154 million) in January, compared with a revised gap of 12.31 billion crowns in December, the Statistics Office said on Wednesday. KEY POINTS: FOREIGN TRADE JAN 07 DEC 06 JAN 06 JAN-DEC 06 (SKK bln) Balance +3.982 -12.306 -8.191 -91.627 (Full table of data...........................[ID:nPRG000266]) - The market had predicted a trade deficit of 2.0 billion crowns in January, according to a Reuters poll of analysts. - The Statistics Office did not release a more detailed breakdown of January trade data. - The December balance was revised from a previously reported shortfall of 12.48 billion crowns. BACKGROUND: - Slovakia's foreign trade deficit widened in 2006, mainly due to rising imports of equipment needed for investment projects such as car factories being built by PSA Peugeot Citroen and Kia Motors . - But the external balance is expected to improve in 2007 when the two car assembly plants are scheduled to boost their export-oriented production. LINKS - For further details on January foreign trade and other past data, Reuters 3000 Xtra users can click on the Slovak Statistics Office's website: http://wwww.statistics.sk/webdata/english/index2_a.htm - For LIVE Slovak economic data releases, click on...... - Schedule of upcoming indicator releases............ - Summary of short-term economic data forecasts...... - Stories on Slovak currency moves........................[SKK/] - Slovak speed money guide .............................. - Slovak benchmark state bond prices ................. - Slovak forward money market rates ....................