4.000000 0.012544 6.000000 0.010391 8.000000 0.008463 10.000000 0.008151 12.000000 0.015490 14.000000 0.017997 16.000000 0.012806 18.000000 0.009537 20.000000 0.010084 22.000000 0.010330 24.000000 0.013508