IM-Rate data for Auckland subsoil class C Sa(2p0s)
    9            (2G10.3)      1.00
  0.010129  0.032189
  0.014588  0.013863
  0.022715  0.004463
  0.029843  0.002107
  0.038347  0.001026
  0.052328  0.000404
  0.065440  0.000201
  0.081079  0.000100
  0.106074  0.000040