Est. 1996 11.279482 0.088657 4% Est. 2005 18.729248 0.053392 4% Est. 1989 2.999976 0.333336 3.8744% 1988 15.162078 0.065954 3.3218% 1987 12.358410 0.080917 3.1640% 1986 15.378148 0.065027 2.6144% 1985 3.476542 0.287642