Est. 2008 6.320496 0.158215 4% Est. 2006 30.301946 0.033001 4% Est. 1993 11.426859 0.087513 4% Est. 2000 1.939709 0.515541 4% Est. 1989 4.077655 0.245239 3.8744% 1988 1.802389 0.554819 3.3218% 1987 3.354334 0.298122 3.1640% 1986 2.447301 0.408613 2.6144% 1985 7.596125 0.131646 2.9715% 1984 16.075453 0.062207 3.6576% 1983 0.376338 2.657185 3.8998% 1982 13.699008 0.072998 6.3831% 1981 3.012810 0.331916 9.6843% 1980 2.535500 0.394400 9.0330% 1979 0.421426 2.372893 8.8650% 1978 3.020882 0.331029 7.2813% 1977 2.851648 0.350674 6.6558% 1976 0.228555 4.375307 6.4073% 1975 0.402303 2.485688 9.8159% 1974 2.443428 0.409261 9.0909% 1973 5.963658 0.167682 6.4509% 1972 3.274643 0.305377 4.7304% 1971 0.412254 2.425688 5.7132% 1970 2.957755 0.338094 5.5272% 1969 5.038071 0.198489 5.5714% 1968 5.094533 0.196289 5.0148% 1967 0.854750 1.169933 2.5719% 1966 5.224084 0.191421 3.5485% 1965
topographical