4% Est. 1997 15.125986 0.066111 4% Est. 1989 7.974800 0.125395 3.8744% 1988 8.790024 0.113765 3.3218% 1987 0.581968 1.718306 3.1640% 1986 2.298995 0.434973 2.6144% 1985 0.846311 1.181599 2.9715%