In recent years, Hong Kong has become an international hub for business, trade and finance importers willing to access the Chinese market. As such, the largest sector of the economy is services, which accounts for around 93 percent of GDP. Within services, the most important are wholesale and retail trade (25 percent of GDP); public administration and social services (17 percent); finance and insurance (16 percent); real estate and business services (11 percent); ownership of premises (10 percent) and transportation and postal services (6 percent). Information and communications and food and accommodation account for 8 percent. Construction represents 3.5 percent of GDP and electricity, water and gas supply, waste management and manufacturing 3.4 percent.