Most trade is done at or near the "Friendship Port" of Nouakchott. The seaport of Nouadhibou is a main center for fishing operations. Most consumer goods are sold through small shops or boutiques, although some medium-sized supermarkets are becoming more common. There are a number of small and medium-sized family-owned retail and wholesale firms. Private exchange offices were created in 1994 and 1995. A new investment code put into place in 2001 is expected to attract foreign investment. Arabic is the official language, but French is the business language. Normal business hours are from 8 AM to 3 PM , Sunday through Thursday, though it is somewhat common for businesses to open a little later in the morning than scheduled. Banks are open weekdays from 8 AM to 1 PM .