In 2006, there were approximately 2.6 million overnight stays by visitors to Luxembourg. A report by the World Travel and Tourism Council (WTTC) for 2006 estimated the direct and indirect economic importance of the tourism industry at 2.9% of GDP (EUR 0.8 billion) and employment in tourism at 7 000 employees, or 3.9% of the total employed labour force. In 2006, there were 284 accommodation establishments. Table 3.62 summarises the volume of tourism in Luxembourg in terms of arrivals and total overnight stays. While arrivals increased by 3.3% between 2002 and 2006, there was a decline of 4.1% in total overnight stays in the same period. The main markets for Luxembourg are the Netherlands, Belgium, Germany and France.