The economy of Bangladesh is a rapidly developing market-based economy. Its per capita income in 2010 was est. US$1,700 (adjusted by purchasing power parity). According to the International Monetary Fund, Bangladesh ranked as the 44th largest economy in the world in 2011 in PPP terms and 57th largest in nominal terms, among the Next Eleven or N-11 of Goldman Sachs and D-8 economies, with a gross domestic product of US$269.3 billion in PPP terms and US$104.9 billion in nominal terms. The economy has grown at the rate of 6-7% per annum over the past few years. More than half of the GDP is generated by the service sector; while nearly half of Bangladeshis are employed in the agriculture sector. Other goods produced are textiles, jute, fish, vegetables, fruit, leather and leather goods, ceramics, ready-made goods. Exports of textiles and garments are the largest source of foreign exchange earnings. Shipbuilding, pharmaceuticals and consumer goods manufacturing are important emerging industries, while the jute sector is re-emerging with increasing global demand for green fibers. Remittances from Bangladeshis working overseas, mainly in the Middle East, are another major source of foreign exchange earnings. Other important export sectors include fish and seafood, ceramics, cement, fertilizer, construction materials, cane and leather products. Bangladesh has also made major strides in its human development index. The land is devoted mainly to rice and jute cultivation as well as fruits and other produce, although wheat production has increased in recent years; the country is largely self-sufficient in rice production. Bangladesh's growth of its agricultural industries is due to its fertile deltaic land that depends on its six seasons and multiple harvests. Transportation, communication, water distribution, and energy infrastructure are rapidly developing. Bangladesh is limited in its reserves of oil, but recently there has been huge development in gas and coal mining. The…