15.354573 0.065127 3.3218% 1987 16.082679 0.062179 3.1640% 1986 0.938167 1.065909 2.6144% 1985 0.752367 1.329139 2.9715% 1984 7.132365 0.140206 3.6576% 1983 8.054494 0.124154 3.8998% 1982 8.196683 0.122001 6.3831% 1981 12.368725 0.080849 9.6843% 1980 2.945053 0.339552 9.0330% 1979 6.046233 0.165392 8.8650% 1978 9.890671 0.101105 7.2813% 1977 2.077127 0.481434 6.6558% 1976
strenuous