9.0909% 1973 1.378834 0.725250 6.4509% 1972 1.107138 0.903230 4.7304% 1971 6.343018 0.157654 5.7132% 1970 1.414154 0.707136 5.5272% 1969 0.221931 4.505906 5.5714% 1968 0.362850 2.755962 5.0148% 1967 0.533431 1.874656 2.5719% 1966 4.166792 0.239993 3.5485% 1965 2.299350 0.434905 2.7360% 1964 0.940013 1.063816 1.5423% 1963 4.049926 0.246918 1.5697% 1962 1.032348 0.968666 2.2421% 1961 4.457285 0.224352 0.9709% 1960 0.624247 1.601931 1.6442% 1959 1.044689 0.957223 2.3579% 1958
girders