With nearly of Penang's workforce employed in services-related fields, the services sector has marginally overtaken manufacturing as Penang's biggest economic sector, contributing 49.3% of Penang's total GDP in 2017. The largest share of employment was recorded in the retail, accommodation, and food and beverages (F&B) sub-sectors, clearly depicting the influence of tourist arrivals on service-related industries. Since the inscription of George Town as a UNESCO World Heritage Site, an emerging trend is the acquisition of heritage shophouses within the zone by foreign investors, especially from Singapore and Hong Kong.