1988 17.329103 0.057706 3.3218% 1987 1.031640 0.969331 3.1640% 1986 3.567432 0.280314 2.6144% 1985 9.090151 0.110009 2.9715% 1984 1.706821 0.585885 3.6576% 1983 1.752096 0.570745 3.8998% 1982 12.658330 0.078999 6.3831% 1981 1.898996 0.526594 9.6843% 1980 3.258594 0.306881 9.0330% 1979 10.342430 0.096689 8.8650% 1978 0.768085 1.301939 7.2813% 1977 5.176934 0.193165 6.6558% 1976 4.178742 0.239306 6.4073% 1975 7.231795
sealant