The net inflow of dollars in September was $13.726 billion (net inflow is the result after subtracting outflow). For the sake of comparison, in September 2009, it was $1.365 billion.
The dollar surge was the result of various financial vehicles : bonds, profit remittances, dividends and direct investments. The gross inflow reached $16.716 billion, the biggest since the Central Bank began keeping records in 1982.