9.0330% 1979 9.824771 0.101784 8.8650% 1978 4.845760 0.206366 7.2813% 1977 1.922869 0.520056 6.6558% 1976 0.802792 1.245652 6.4073% 1975 4.061776 0.246198 9.8159% 1974 6.352950 0.157407 9.0909% 1973 1.701036 0.587877 6.4509% 1972 0.259289 3.856702 4.7304% 1971 1.632349 0.612614 5.7132% 1970 3.750152 0.266656 5.5272% 1969 0.280814 3.561082 5.5714% 1968 2.922571 0.342164 5.0148% 1967 4.325146 0.231206 2.5719% 1966 4.729615 0.211434 3.5485% 1965 0.203852 4.905508 2.7360% 1964 0.206361 4.845886 1.5423% 1963 4.378369 0.228396 1.5697% 1962 2.511801 0.398121 2.2421% 1961 0.247620 4.038441 0.9710% 1960 0.245239 4.077655 1.6442% 1959 4.108086
ventilation