13.710421 0.072937 2.6144% 1985 15.843378 0.063118 2.9715% 1984 7.376922 0.135558 3.6576% 1983 15.279480 0.065447 3.8998% 1982 14.926127 0.066997 6.3831% 1981 15.666359 0.063831 9.6843% 1980 12.791751 0.078175