Dec 1 (Reuters) - The Slovak central state budget showed a deficit of 6.98 billion crowns ($259.4 million) in the January-November period, compared with a 7.55 billion deficit for the same period in 2005, the finance ministry said on Friday. CENTRAL STATE BUDGET Jan-Nov/06 Jan-Nov/05 FY 2006 PLAN (SKK bln) revenues 262.156 233.706 272.717 expenditure 269.139 241.259 330.185 balance -6.983 -7.553 -57.468 (Reporting by Martin Santa in Bratislava) ((Editing by Cheryl Juckes; RM: martin.santa.reuters.com@reuters.net; Email: martin.santa@reuters.com; +421-2-5341-8402)) ($1=26.91 Slovak Crown) Keywords: SLOVAKIA BUDGET/