18.806891 0.053172 3.8744% 1988 17.838367 0.056059 3.3218% 1987 16.082679 0.062179 3.1640% 1986 7.437877 0.134447 2.6144% 1985 7.443176 0.134351 2.9715% 1984 7.085656 0.141130 3.6576% 1983 2.755962 0.362850 3.8998% 1982 12.499638 0.080002 6.3831% 1981 0.847607 1.179793 9.6843% 1980 0.753081 1.327879 9.0330% 1979 3.131534 0.319332 8.8650% 1978 0.550977 1.814958 7.2813% 1977 2.394986 0.417539 6.6558% 1976 0.257094 3.889631 6.4073% 1975 0.232320 4.304406 9.8159% 1974 0.325678 3.070518 9.0909% 1973 3.300008 0.303030 6.4509% 1972 3.100028 0.322578
facilitates