In this task, you are given a question and a context passage. You have to answer the question based on the given passage.

How was the economical performance of Delhi in 2011-12?, Context: The gross state domestic product (GSDP) of Delhi at current prices for the year 2011-12 has been estimated at Rs 3.13 lakh crore, which is an increase of 18.7 per cent over the previous fiscal.
increase of 18.7 per cent over the previous fiscal