Its tax revenue has increased to more than 400,000,000 gourdes, which is about US$8,000,000. This minimum is 200 gourdes a day (about U.S. $4.80). A cabinet was purchased for the library for 75 gourdes (one Haitian gourde=approx. Fonkoze was borrowing in dollars and lending in gourdes. Public universities require an annual fee of 3,000 gourdes ($46.80). It was later raised to 70 gourdes per day. Most tap-taps are fairly priced at around 10-15 gourdes per ride within a city. What once cost 1628 gourdes ($41) in 2004, increased to 4675 gourdes ($117) in 2007. In the 1970s, 25, 250, and 500 gourdes notes were introduced.