Figure 1. Export, Import and Trade to GDP Ratios for Singapore, %, 1981-2010.
Source: World Bank database
From Figure 1 we can also distinguish three relatively recent drops in export, import and trade to GDP ratios: 1997-1999 downturn associated with Asian financial crisis, 2001 drop as a result of global recession and a slump in the technology sector and 2009 slowdown due to global financial crisis and recession. The major factors contributing to the openness of Singapore's economy are: geographical location and colonial past - due its status as the main British naval base in the region before independence, Singapore was often referred to as the "Gibraltar of the East"; highly developed market-based and exports-driven economy which is known as one of the freest, most innovative, most competitive, most business friendly and least corrupt in the world; along with Hong Kong, South Korea and Taiwan, Singapore is one of the original Four Asian Tigers; advanced infrastructure - among other things, the Port of Singapore is one of the five largest and busiest ports in the world; trade policy factor - Singapore's extensive network covers 18 regional and bilateral Free Trade Agreements (FTAs) with 24 trading partners. Singapore's trade is diversified across partners: in 2010, 15 major partners