Oct 31 (Reuters) - The following are forecasts from the Slovak central bank's updated quarterly economic prognosis, announced on Tuesday. 2006 2007 2008 GDP 6.8 (6.7) 7.2 (7.1) 5.7 (5.7) HCPI 4.1 (3.9) 2.6 (2.8) 2.0 (2.0) C/A (gap as pct of GDP) 6.7 (7.0) 4.3 (4.3) 3.8 (4.1) NOTE. Previous forecasts in brackets. HCPI refers to EU-norm inflation. The NBS target for EU-norm inflation at end-2006 is 2.5 percent. For end-2007 and end-2008, the target is 2.0 percent. ((Reporting by Martin Dokoupil, writing by Martin Santa, editing by David Christian-Edwards; RM: martin.santa.reuters.com@reuters.net; martin.santa@reuters.com, +421 2 5341 8402)) Keywords: ECONOMY SLOVAKIA FORECASTS