Egypt’s two biggest state banks have collected 171 billion Egyptian pounds ($10.5 billion) from a new high-yield savings product they introduced in March, officials from the two banks were quoted as saying on Saturday.

The one-year product, launched on March 22, carry a 15% yield.

An official at the National Bank of Egypt said it had collected 122 billion pounds, while Banque Misr’s chairman said it had gathered 49 billion pounds, state news agency MENA reported.