As the largest recipient of investment per capita since 2000 in India, and among one of the wealthiest and most economically developed regions in South Asia, Haryana has the List of Indian states and union territories by GDP per capita per capita income among Indian states and union territories at  against the national average of  for year 2016–17. Haryanas 2017-18 estimated List of Indian states and union territories by GDP of US$95 billion (52% Service economy, 30% Industry and 18% Agriculture in India) is growing at 12.96% 2012-17 compound annual growth rate and placed on the list of Indian states and union territories by GDP behind only much bigger states, is also boosted by 30 special economic zones (mainly along Delhi–Mumbai Industrial Corridor Project, Amritsar Delhi Kolkata Industrial Corridor and Delhi Western Peripheral Expressway in National Capital Region (India)), 7% national agricultural exports, 60% of national Basmati rice export, 67% cars, 60% motorbikes, 50% tractors and 50% refrigerators produced in India. Faridabad has been described as eighth fastest growing city in the world and third most in India by City Mayors Foundation survey. In services, Gurugram ranks number 1 in India in IT growth rate and existing technology infrastructure, and number 2 in startup ecosystem, innovation and livability (Nov 2016).
Question: How many more percentage points are cars over motor bikes in India's economy?
Answer: 7