The IT sector in India has experienced phenomenal growth since economic reforms in the early 1990s. It has grown many folds in revenues from 1.2% of GDP in 1991-92 to an estimated 9.3% in 2015-2016. There are now around 600 centers set up by Indian IT companies in 78 countries serving over 200 cities. The IT sector is expected to reach revenues of $225 billion by 2020. IT services make up the largest share of the Indian IT market at 52% while business process management accounts for 19% and software products and engineering services make up 20%.