0.058731 3.8744% 1988 8.308458 0.120359 3.3218% 1987 3.270228 0.305789 3.1640% 1986 2.447301 0.408613 2.6144% 1985 18.483053 0.054104 2.9715% 1984 6.816572 0.146701 3.6576% 1983 14.233244 0.070258 3.8998% 1982 0.407440 2.454350 6.3831% 1981