country. The per capita income in 2007–2008 for the state was 72,993 ranking third among states with a population over 10 million and has steadily been above the national average. According to the 2011 Census, Tamil Nadu is the most urbanised state in India (49 per cent), accounting for 9.6 per cent of the urban population while only comprising 6 per cent of India's total population. Services contribute to 45 per cent of the economic activity in the state, followed by manufacturing at 34 per cent and agriculture at 21 per cent. The government is the major investor in the state with 51 per cent of total investments, followed by private Indian investors at 29.9 per cent and foreign private investors at 14.9 per cent. Tamil Nadu has a network of about 113 industrial parks and estates offering developed plots with supporting infrastructure. According to the publications of the Tamil Nadu government, the Gross State Domestic Product at Constant Prices (The base year 2004–2005) for the year 2011–2012 is , an increase of 9.39 per cent over the previous year. The per capita income at the current price is 72,993. Tamil Nadu has six Nationalized Home Banks which originated in this state; Two government-sector banks Indian Bank and Indian Overseas Bank in Chennai, and four private-sector banks City Union Bank in Kumbakonam, Karur Vysya Bank, Lakshmi Vilas Bank in Karur, and Tamilnad Mercantile Bank Limited in Tuticorin. Agriculture Tamil Nadu has historically been an agricultural state and is a leading producer of agricultural products in India. In 2008, Tamil Nadu was India's fifth biggest producer of rice. The total cultivated area in the state was 5.60 million hectares in 2009–10. The Cauvery delta region is known as the Rice Bowl of Tamil Nadu. In terms of production, Tamil Nadu accounts for 10 per cent in fruits and 6 per cent in vegetables, in India. Annual food grains production in the year 2007–08 was 10035,000 mt. The state is the largest producer of bananas, turmeric, flowers, tapioca, the second largest producer of mango, natural rubber, coconut, groundnut and the third largest producer of coffee, sapota, tea and sugarcane. Tamil Nadu's sugarcane yield per hectare is the highest in India. The state has 17,000 hectares of land under oil palm cultivation, the second highest in India. Dr. M.S. Swaminathan, known as the "father of the Indian Green Revolution" was from Tamil Nadu.