0.044662 4% Est. 2008 10.410310 0.096059 4% Est. 2002 2.097990 0.476647 4% Est. 1991 18.416169 0.054300 4% Est. 1989 16.154567 0.061902 3.8744% 1988 15.354573 0.065127 3.3218% 1987 1.369892 0.729984 3.1640% 1986 0.772037 1.295275 2.6144% 1985 15.843378 0.063118 2.9715% 1984 8.284684 0.120705 3.6576% 1983 4.701352 0.212705 3.8998% 1982 2.512535 0.398004 6.3831% 1981 11.898817 0.084042 9.6843% 1980 4.869298 0.205368 9.0330% 1979 10.767481 0.092872 8.8650% 1978 9.626153 0.103884 7.2813% 1977 1.991102 0.502234 6.6558% 1976 8.302822 0.120441 6.4073% 1975 0.330664 3.024218 9.8159% 1974 6.428807 0.155550 9.0909% 1973 0.421632 2.371734 6.4509% 1972 0.419296 2.384949 4.7304% 1971 0.188139 5.315231 5.7132% 1970 0.420003
utilization