Historical Average Rates (1976-2011) Year Rate Year Rate Year Rate Jul-76 8.93 Jul-88 10.43 Jul-00 8.15 Jul-77 8.94 Jul-89 9.88 Jul-01 7.13 Jul-78 9.74 Jul-90 10.04 Jul-02 6.49 Jul-79 11.09 Jul-91 9.58 Jul-03 5.63 Jul-80 12.19 Jul-92 8.13 Jul-04 6.06 Jul-81 16.83 Jul-93 7.21 Jul-05 5.7 Jul-82 16.82 Jul-94 8.61 Jul-06 6.76 Jul-83 13.42 Jul-95 […]