220 2.09e-18 230 1.49e-18 235 1.36e-18 240 1.45e-18 245 1.59e-18 250 1.64e-18 255 1.76e-18 260 1.54e-18 270 1.39e-18 290 9.30e-19 300 8.50e-19 320 6.10e-19 400 1.80e-19